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Encyclopedia > Otter
Otters
Northern river otters
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Mustelidae
Subfamily: Lutrinae
Genera

Amblonyx
Aonyx
Enhydra
Lontra
Lutra
Lutrogale
Pteronura Image File history File links Download high resolution version (2262x2048, 4017 KB) North American River Otters, Lontra canadensis (per Schreber, 1777. ... Binomial name Lontra canadensis (Schreber, 1777) The Northern River Otter, Lontra canadensis, is a North American member of the Mustelidae or weasel family. ... Scientific classification redirects here. ... For other uses, see Animal (disambiguation). ... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Subclasses & Infraclasses Subclass †Allotheria* Subclass Prototheria Subclass Theria Infraclass †Trituberculata Infraclass Metatheria Infraclass Eutheria For the folk-rock band see The Mammals. ... Families 17, See classification The diverse order Carnivora (IPA: or ; from Latin carō (stem carn-) flesh, + vorāre to devour) includes over 260 species of placental mammals. ... Subfamilies Lutrinae Melinae Mellivorinae Taxidiinae Mustelinae Mustelidae is a family of carnivorous mammals. ... Oriental Small-clawed Otter Smimming oriental small-clawed otter Categories: Stub | Mustelids ... Species Aonyx capensis Aonyx congicus Aonyx is a genus of otters, containing two species, the African Clawless Otter and the Congo Clawless Otter. ... Binomial name Enhydra lutris (Linnaeus, 1758) The Sea Otter (Enhydra lutris) is a large otter native to the North Pacific, from northern Japan and Kamchatka west across the Aleutian Islands south to California. ... Genera Amblonyx Aonyx Enhydra Lontra Lutra Lutrogale Pteronura Otters are aquatic or marine carnivorous mammals, members of the large and diverse family Mustelidae, which also includes weasels, polecats, badgers and others. ... Binomial name Lutra lutra (Linnaeus, 1758) The European Otter, Lutra lutra, is a European member of the Mustelidae or weasel family, and is typical of freshwater otters. ... Species † Lutrogale cretensis - Cretan Otter † Lutrogale palaeoleptonyx Lutrogale perspicillata - Smooth-coated Otter Lutrogale is a genus of otter, with only one extant species - the smooth-coated otter. ... Binomial name Pteronura brasiliensis (Gmelin, 1788) The giant otter Pteronura brasiliensis is the largest of the worlds otters. ...

Otters are amphibious (or in one case aquatic) carnivorous mammals. The otter subfamily Lutrinae forms part of the family Mustelidae, which also includes weasels, polecats, badgers, as well as others. With thirteen species in seven genera, otters have an almost worldwide distribution. An aquatic animal is an animal which lives in water for most or all of the time. ... Carnivorism redirects here. ... Subclasses & Infraclasses Subclass †Allotheria* Subclass Prototheria Subclass Theria Infraclass †Trituberculata Infraclass Metatheria Infraclass Eutheria For the folk-rock band see The Mammals. ... In zoology, a taxon is usually assigned to a rank in a hierarchy. ... The hierarchy of scientific classification In biological classification, family (Latin: familia, plural familiae) is a rank, or a taxon in that rank. ... Subfamilies Lutrinae Melinae Mellivorinae Taxidiinae Mustelinae Mustelidae is a family of carnivorous mammals. ... For other uses, see Weasel (disambiguation). ... Polecat may refer to: One of several species of weasel: European polecat marbled polecat steppe polecat Skunks, or other members of the Mephitidae family Lineman (occupation), sometimes colloquially referred to as polecats The Polecats, a 1980s British new wave/rockabilly band Polecat (band) Typical Barbershop Songs Lockheed Martin Polecat, an... For other uses, see Badger (disambiguation). ... For other uses, see Species (disambiguation). ... For other uses, see Genus (disambiguation). ...


An otter's den is called a holt. Male otters are dog-otters, females are bitches and babies are cubs or pups. The collective noun romp is sometimes used for a group of otters, being descriptive of their often playful nature.[1] In linguistics, a collective noun is a word used to define a group of objects, where objects can be people, animals, inanimate things, concepts, or other things. ...

Contents

Etymology

The word otter derives from the Old English word otr, otor or oter. This and cognate words in other Indo-European languages ultimately stem from a root which also gave rise to the English words water, wet and winter. Old English redirects here. ... For other uses, see Indo-European. ... The root is the primary lexical unit of a word, which carries the most significant aspects of semantic content and cannot be reduced into smaller constituents. ...

Look up otter in Wiktionary,
the free dictionary.

Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 151 languages. ...

Characteristics of an Otter

Otters have long, slim bodies and relatively short limbs, with webbed paws. Most have sharp claws on their feet, and all but the sea otter have long muscular tails.


They have a very soft underfur which is protected by their outer layer of long guard hair. This traps a layer of air, and keeps them dry and warm under water.


Diet and behaviour

Otters do not depend on their specialized fur alone for survival in the cold waters where many live: they also have very high metabolic rates. For example Eurasian otters must eat 15% of their body-weight a day, and sea otters, 20 to 25%, depending on the temperature. In water as warm as 10°C (50°F) an otter needs to catch 100 grams (3 oz) of fish per hour to survive. Most species hunt for 3 to 5 hours a day, and nursing mothers up to 8 hours a day. Santorio Santorio (1561-1636) in his steelyard balance, from Ars de statica medecina, first published 1614 Metabolism (from μεταβολισμος(metavallo), the Greek word for change), in the most general sense, is the ingestion and breakdown of complex compounds, coupled with the liberation of energy, and the consequent generation of waste...


Most otters have fish as the primary item in their diet, supplemented by frogs, crayfish and crabs. Some are expert at opening shellfish, and others will take any available small mammals or birds. This prey-dependence leaves otters very vulnerable to prey depletion. For other uses, see Fish (disambiguation). ... Distribution of frogs (in black) Suborders Archaeobatrachia Mesobatrachia Neobatrachia - List of Anuran families The frogness babe is an amphibian in the order Anura (meaning tail-less from Greek an-, without + oura, tail), formerly referred to as Salientia (Latin saltare, to jump). ... Families Astacoidea   Astacidae   Cambaridae Parastacoidea   Parastacidae Crayfish, often referred to as crawfish, or crawdads, are freshwater crustaceans resembling small lobsters, to which they are closely related. ... For other uses, see Crab (disambiguation). ... Cooked mussels Shellfish is a term used to describe shelled molluscs and crustaceans used as food. ...


Otters are very active, chasing prey in the water or searching the beds of rivers, lakes or the sea. Most species live beside water, entering it mainly to hunt or travel, otherwise spending much of their time on land to avoid their fur becoming waterlogged. The sea otter actually lives in the sea.


Otters are playful animals, for example sliding repeatedly down snowy slopes, apparently from sheer enjoyment. Different species vary in their social structure, with some being largely solitary, while others live in groups—in a few species these groups may be fairly large.


Species

Lutrinae

Giant otter (Pteronura brasiliensis) Binomial name Pteronura brasiliensis (Gmelin, 1788) The Giant Otter, Pteronura brasiliensis, (also known as the river wolf) is the longest of the worlds otters, as well as one of the largest mustelids[2]. It is native to South America but is endangered and is also very rare in captivity. ...





Northern river otter (Lontra canadensis) Binomial name Lontra canadensis (Schreber, 1777) The Northern River Otter, Lontra canadensis, is a North American member of the Mustelidae or weasel family. ...





Marine otter (Lontra felina) Binomial name (Molina, 1782) Marine Otters (Lontra felina) are rare and poorly-understood marine mammals of the weasel family (Family Mustelidae). ...



Southern river otter (Lontra provocax) Binomial name Lontra provocax The Southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. ...




Neotropical river otter (Lontra longicaudis) Binomial name Lontra longicaudis (Olfers, 1818) The Neotropical River Otter (or just Neotropical Otter), Lontra longicaudis, is an otter species found in Central and South America. ...






Sea otter (Enhydra lutris) Binomial name Enhydra lutris (Linnaeus, 1758) The Sea Otter (Enhydra lutris) is a large otter native to the North Pacific, from northern Japan and Kamchatka west across the Aleutian Islands south to California. ...



Speckle-throated otter (Hydrictis maculicollis) Speckle-throated otter (hydrictis maculicollis) otherwise known as the spot-necked otter hunts in rivers and lakes and has to have clear water for visual purposes. ...





Eurasian otter (Lutra lutra) Binomial name (Linnaeus, 1758) Range map (note: range also includes British Isles) The Eurasian otter, Lutra lutra, also known as the Eurasian river otter, common otter, Old World otter and European otter, is a European and Asian member of the Lutrinae or otter subfamily, and is typical of freshwater otters. ...



Hairy-nosed otter (Lutra sumatrana) Binomial name Lutra sumatrana The hairy-nosed otter (Lutra sumatrana) is an otter thought extinct in 1998 but more were found. ...






African clawless otter (Aonyx capensis) Binomial name Aonyx capensis (Schinz, 1821) The African Clawless Otter, Aonyx capensis, also known as the Cape Clawless Otter or Groot otter, is the second largest freshwater species of otter. ...



Congo clawless otter (Aonyx congicus) SIZE: Length (including tail) 1,3 m, mass 14 kg. ...





Oriental small-clawed otter (Aonyx cinerea) Binomial name Amblonyx cinereus (Illiger, 1815) Oriental Small-clawed Otters, (aka Asian Small-Clawed Otters) are the smallest otters in the world. ...



Smooth-coated otter (Lutrogale perspicillata) Binomial name Lutrogale perspicillata (Geoffroy, 1826) The Smooth-coated Otter (Lutrogale perspicillata) is a species of otter, the only extant representative of the genus Lutrogale. ...








Cladogram, after Koepfli et al 2008[2] and Bininda-Emonds et al 1999[3]


Genus Lutra Binomial name Lutra lutra (Linnaeus, 1758) The European Otter, Lutra lutra, is a European member of the Mustelidae or weasel family, and is typical of freshwater otters. ...

Genus Hydrictis Binomial name (Linnaeus, 1758) Range map (note: range also includes British Isles) The Eurasian otter, Lutra lutra, also known as the Eurasian river otter, common otter, Old World otter and European otter, is a European and Asian member of the Lutrinae or otter subfamily, and is typical of freshwater otters. ... Binomial name Lutra sumatrana The hairy-nosed otter (Lutra sumatrana) is an otter thought extinct in 1998 but more were found. ... Binomial name Hydrictis maculicollis (Lichtenstein, 1835) Synonyms Lutra maculicollis The Speckle-throated Otter (Hydrictis maculicollis syn. ...

  • Speckle-throated otter (Hydrictis maculicollis)

Genus Lutrogale Speckle-throated otter (hydrictis maculicollis) otherwise known as the spot-necked otter hunts in rivers and lakes and has to have clear water for visual purposes. ... Species † Lutrogale cretensis - Cretan Otter † Lutrogale palaeoleptonyx Lutrogale perspicillata - Smooth-coated Otter Lutrogale is a genus of otter, with only one extant species - the smooth-coated otter. ...

  • Smooth-coated otter (Lutrogale perspicillata)

Genus Lontra Binomial name Lutrogale perspicillata (Geoffroy, 1826) The Smooth-coated Otter (Lutrogale perspicillata) is a species of otter, the only extant representative of the genus Lutrogale. ... Genera Amblonyx Aonyx Enhydra Lontra Lutra Lutrogale Pteronura Otters are aquatic or marine carnivorous mammals, members of the large and diverse family Mustelidae, which also includes weasels, polecats, badgers and others. ...

Genus Pteronura Binomial name Lontra canadensis (Schreber, 1777) The Northern River Otter, Lontra canadensis, is a North American member of the Mustelidae or weasel family. ... Binomial name Lontra provocax The Southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. ... Binomial name Lontra longicaudis (Olfers, 1818) The Neotropical River Otter (or just Neotropical Otter), Lontra longicaudis, is an otter species found in Central and South America. ... Binomial name (Molina, 1782) Marine Otters (Lontra felina) are rare and poorly-understood marine mammals of the weasel family (Family Mustelidae). ... Binomial name Pteronura brasiliensis (Gmelin, 1788) The giant otter Pteronura brasiliensis is the largest of the worlds otters. ...

Genus Aonyx Binomial name Pteronura brasiliensis (Gmelin, 1788) The Giant Otter, Pteronura brasiliensis, (also known as the river wolf) is the longest of the worlds otters, as well as one of the largest mustelids[2]. It is native to South America but is endangered and is also very rare in captivity. ... Species Aonyx capensis Aonyx congicus Aonyx is a genus of otters, containing two species, the African Clawless Otter and the Congo Clawless Otter. ...

Genus Enhydra Binomial name Aonyx capensis (Schinz, 1821) The African Clawless Otter, Aonyx capensis, also known as the Cape Clawless Otter or Groot otter, is the second largest freshwater species of otter. ... SIZE: Length (including tail) 1,3 m, mass 14 kg. ... Binomial name Amblonyx cinereus (Illiger, 1815) Oriental Small-clawed Otters, (aka Asian Small-Clawed Otters) are the smallest otters in the world. ... Binomial name Enhydra lutris (Linnaeus, 1758) The Sea Otter (Enhydra lutris) is a large otter native to the North Pacific, from northern Japan and Kamchatka west across the Aleutian Islands south to California. ...

Binomial name Enhydra lutris (Linnaeus, 1758) The Sea Otter (Enhydra lutris) is a large otter native to the North Pacific, from northern Japan and Kamchatka west across the Aleutian Islands south to California. ...

Northern river otter

Main article: Northern river otter

The northern river otter (Lontra canadensis) became one of the major animals hunted and trapped for fur in North America after European contact. River otters eat a variety of fish and shellfish, as well as small land mammals and birds. They grow to one metre (3 to 4 ft) in length and weigh from five to fifteen kilograms (10 to 30 lb). Binomial name Lontra canadensis (Schreber, 1777) The Northern River Otter, Lontra canadensis, is a North American member of the Mustelidae or weasel family. ... For other uses, see Fur (disambiguation). ... For other uses, see Bird (disambiguation). ...


In some areas this is a protected species, and some places have otter sanctuaries, which help ill and injured otters to recover.


Sea otter

A sea otter in Morro Bay, California
A sea otter in Morro Bay, California
Main article: Sea otter

Sea otters (Enhydra lutris) live along the Pacific coast of North America. Their historic range included shallow waters of the Bering Strait and Kamchatka, and as far south as Japan. Sea otters have some 200 thousand strands of hair per square centimetre of skin, a rich fur for which humans hunted them almost to extinction. By the time the 1911 Fur Seal Treaty gave them protection, so few sea otters remained that the fur trade had become unprofitable. Image File history File links Metadata No higher resolution available. ... Image File history File links Metadata No higher resolution available. ... Morro Bay Docks with Morro Rock in the background. ... Binomial name Enhydra lutris (Linnaeus, 1758) The Sea Otter (Enhydra lutris) is a large otter native to the North Pacific, from northern Japan and Kamchatka west across the Aleutian Islands south to California. ... For other meanings of Pacific, see Pacific (disambiguation). ... Satellite photo of the Bering Strait Photo across the Bering Strait Nautical chart of the Bering Strait The Bering Strait (Russian: ) is a sea strait between Cape Dezhnev, Russia, the easternmost point (169°43 W) of the Asian continent and Cape Prince of Wales, Alaska, the westernmost point (168°05... “Kamchatka” redirects here. ... This article is about the body feature. ... This article is about the organ. ...


Sea otters eat shellfish and other invertebrates (especially clams, abalone, and sea urchins ), frequently using rocks as crude tools to smash open shells. They grow to 1.0 to 1.5 metres (2.5 to 5 ft) in length and weigh 30 kilograms (65 lb). Although once near extinction, they have begun to spread again, from remnant populations in California and Alaska. Invertebrate is an English word that describes any animal without a spinal column. ... For other uses, see Clam (disambiguation). ... Species Many, see species section. ... Subclasses Subclass Perischoechinoidea Order Cidaroida (pencil urchins) Subclass Euechinoidea Superorder Atelostomata Order Cassiduloida Order Spatangoida (heart urchins) Superorder Diadematacea Order Diadematoida Order Echinothurioida Order Pedinoida Superorder Echinacea Order Arbacioida Order Echinoida Order Phymosomatoida Order Salenioida Order Temnopleuroida Superorder Gnathostomata Order Clypeasteroida (sand dollars) Order Holectypoida Wikispecies has information related to... This article is about the instrument. ... Various seashells Danielle A shell is the hard, rigid outer covering, or integument, allanimals. ... This article is about the U.S. state. ... For other uses, see Alaska (disambiguation). ...


Unlike most marine mammals (such as seals or whales), sea otters do not have a layer of insulating blubber. As with other species of otter, they rely on a layer of air trapped in their fur, which they keep topped up by blowing into the fur from their mouths. They spend most of their time in the water, whereas other otters spend much of their time on land. Families Odobenidae Otariidae Phocidae Pinnipeds (fin-feet, lit. ... This article is about the animal. ... Remains of seventeenth century blubber cauldrons at the abandoned Dutch settlement of Smeerenburg in Svalbard, Norway This article is about the body tissue. ...


Eurasian otter

Eurasian otter, in England
Eurasian otter, in England
Main article: Eurasian otter

This species (Lutra lutra) inhabits Europe, and its range also extends across most of Asia and parts of North Africa. In the British Isles they occurred commonly as recently as the 1950s, but became rare in many areas due to the use of chlorinated hydrocarbon pesticides and as a result of habitat-loss and water pollution (they remained relatively common in parts of Scotland and Ireland). Population levels attained a low point in the 1980s, but are now recovering strongly. The UK Biodiversity Action Plan envisages the re-establishment of otters by 2010 in all the UK rivers and coastal areas that they inhabited in 1960. Roadkill deaths have become one of the significant threats to the success of their re-establishment. Image File history File links Metadata Size of this preview: 800 × 600 pixelsFull resolution (1280 × 960 pixel, file size: 487 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Metadata Size of this preview: 800 × 600 pixelsFull resolution (1280 × 960 pixel, file size: 487 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Binomial name (Linnaeus, 1758) Range map (note: range also includes British Isles) The Eurasian otter, Lutra lutra, also known as the Eurasian river otter, common otter, Old World otter and European otter, is a European and Asian member of the Lutrinae or otter subfamily, and is typical of freshwater otters. ... For other uses, see Asia (disambiguation). ...  Northern Africa (UN subregion)  geographic, including above North Africa or Northern Africa is the northernmost region of the African continent, separated by the Sahara from Sub-Saharan Africa. ... This article explains the archipelago in north-western Europe. ... Chlorinated hydrocarbons are a broad class of organic chemicals used mainly as solvents but also with many other uses. ... A pesticide is a substance or mixture of substances used for preventing, controlling, or lessening the damage caused by a pest. ... Habitat (which is Latin for it inhabits) is the place where a particular species live and grow. ... Air pollution Pollution is the introduction of pollutants (whether chemical substances, or energy such as noise, heat, or light) into the environment to such a point that its effects become harmful to human health, other living organisms, or the environment. ... Diademed Sifaka, an endangered primate of Madagascar Biodiversity Action Plan (BAP) is a an internationally recognized programme addressing threatened species or habitats, which is designed to protect and restore biological systems. ... For the professional wrestler known as Roadkill, see Michael Depoli, for the movie marketed as Roadkill in the UK and Australia, see Joy Ride, for the Supernatural TV series episode, see Roadkill (Supernatural). ...


Giant otter

Giant otter
Giant otter
Main article: Giant otter

The giant otter (Pteronura brasiliensis) inhabits South America, especially the Amazon river basin, but is becoming increasingly rare due to poaching, habitat loss, and the use of mercury and other toxins in illegal alluvial gold mining. This gregarious animal grows to a length of up to 1.8 metres (6 ft), and is more aquatic than most other otters. Image File history File linksMetadata Download high-resolution version (1613x638, 301 KB) Photograph by Renaud dAvout dAuerstaedt (http://renaud. ... Image File history File linksMetadata Download high-resolution version (1613x638, 301 KB) Photograph by Renaud dAvout dAuerstaedt (http://renaud. ... Binomial name Pteronura brasiliensis (Gmelin, 1788) The Giant Otter, Pteronura brasiliensis, (also known as the river wolf) is the longest of the worlds otters, as well as one of the largest mustelids[2]. It is native to South America but is endangered and is also very rare in captivity. ...


Cultural references

Norse mythology tells of the dwarf Ótr habitually taking the form of an otter. The myth of Otter's Ransom[4] is the starting point of the Volsunga saga. Norse, Viking or Scandinavian mythology comprises the indigenous pre-Christian religion, beliefs and legends of the Scandinavian peoples, including those who settled on Iceland, where most of the written sources for Norse mythology were assembled. ... In Norse mythology, the dwarves (Old Norse: dvergar, sing. ... In Norse mythology, Ótr (alternately: Ott, Oter, Otr, Ottar, Ottarr, Otter) is a dwarf. ... The Ramsund carving in Sweden depicts 1) how Sigurd is sitting naked in front of the fire preparing the dragon heart, from Fafnir, for his foster-father Regin, who is Fafnirs brother. ...


In some Native American cultures, otters are considered totem animals. A totem is any natural or supernatural being or animal which watches over or assists a group of people, such as a family, clan or tribe (Merriam-Webster Online Dictionary [1] and Websters New World College Dictionary, Fourth Edition). ...


The otter is held to be a clean animal belonging to Ahura Mazda in Zoroastrian belief, and taboo to kill.[5] Ahura Mazda () is the Avestan language name for a divinity exalted by Zoroaster as the one uncreated Creator, hence God. ... Zoroastrianism is the religion and philosophy based on the teachings ascribed to the prophet Zoroaster (Zarathustra, Zartosht). ...


Gallery

References and further reading

Wikispecies has information related to:
lutrinae
Wikimedia Commons has media related to:
  1. ^ "Birds of a feather..." (July/August 2004). Natural History 113 (6): 71. Retrieved on 2006-12-07. 
  2. ^ Koepfli KP, Deere KA, Slater GJ, et al (2008). "Multigene phylogeny of the Mustelidae: resolving relationships, tempo and biogeographic history of a mammalian adaptive radiation". BMC Biol. 6 (1): 4–5. doi:10.1186/1741-7007-6-10. PMID 18275614. 
  3. ^ Bininda-Emonds OR, Gittleman JL, Purvis A (1999). "Building large trees by combining phylogenetic information: a complete phylogeny of the extant Carnivora (Mammalia)". Biol Rev Camb Philos Soc 74 (2): 143-75. PMID 10396181. 
  4. ^ The Otter's Ransom. Retrieved on 2007-07-05.
  5. ^ Cooper, JC (1992). Symbolic and Mythological Animals. London: Aquarian Press, p. 171-72. ISBN 1-85538-118-4. 
  • Gallant, D., L. Vasseur, & C.H. Bérubé (2007). Unveiling the limitations of scat surveys to monitor social species: a case study on river otters. Journal of Wildlife Management 71:258–265.

Image File history File links Wikispecies-logo. ... Wikispecies is a wiki-based online project supported by the Wikimedia Foundation that aims to create a comprehensive free content catalogue of all species (including animalia, plantae, fungi, bacteria, archaea, and protista). ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... is the 341st day of the year (342nd in leap years) in the Gregorian calendar. ... A digital object identifier (or DOI) is a standard for persistently identifying a piece of intellectual property on a digital network and associating it with related data, the metadata, in a structured extensible way. ... Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 186th day of the year (187th in leap years) in the Gregorian calendar. ...

External links

Subfamilies Lutrinae Melinae Mellivorinae Taxidiinae Mustelinae Mustelidae is a family of carnivorous mammals. ... Phyla Subkingdom Parazoa Porifera (sponges) Subkingdom Agnotozoa Placozoa Orthonectida Rhombozoa Subkingdom Metazoa Radiata Cnidaria Ctenophora - Comb jellies Bilateria Protostomia Acoelomorpha Platyhelminthes - Flatworms Nemertina - Ribbon worms Gastrotricha Gnathostomulida - Jawed worms Micrognathozoa Rotifera - Rotifers Acanthocephala Priapulida Kinorhyncha Loricifera Entoprocta Nematoda - Roundworms Nematomorpha - Horsehair worms Cycliophora Mollusca - Mollusks Sipuncula - Peanut worms Annelida - Segmented... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Subclass Monotremata Monotremata Subclass Marsupialia Didelphimorphia Paucituberculata Microbiotheria Dasyuromorphia Peramelemorphia Notoryctemorphia Diprotodontia Subclass Placentalia Xenarthra Dermoptera Desmostylia Scandentia Primates Rodentia Lagomorpha Insectivora Chiroptera Pholidota Carnivora Perissodactyla Artiodactyla Cetacea Afrosoricida Macroscelidea Tubulidentata Hyracoidea Proboscidea Sirenia The mammals are the class of vertebrate animals primarily characterized by the presence of mammary... Families 17, See classification The diverse order Carnivora (IPA: or ; from Latin carō (stem carn-) flesh, + vorāre to devour) includes over 260 species of placental mammals. ... Families Canidae Felidae Herpestidae Hyaenidae Mephitidae Mustelidae Nandiniidae Odobenidae Pinnipedia Procyonidae Ursidae Viverridae The diverse order Carnivora includes over 260 placental mammals. ... Species Aonyx capensis Aonyx congicus Aonyx is a genus of otters, containing two species, the African Clawless Otter and the Congo Clawless Otter. ... Binomial name Aonyx capensis (Schinz, 1821) The African Clawless Otter, Aonyx capensis, also known as the Cape Clawless Otter or Groot otter, is the second largest freshwater species of otter. ... Binomial name Amblonyx cinereus (Illiger, 1815) Oriental Small-clawed Otters, (aka Asian Small-Clawed Otters) are the smallest otters in the world. ... Binomial name Enhydra lutris (Linnaeus, 1758) The Sea Otter (Enhydra lutris) is a large otter native to the North Pacific, from northern Japan and Kamchatka west across the Aleutian Islands south to California. ... Binomial name Enhydra lutris (Linnaeus, 1758) The Sea Otter (Enhydra lutris) is a large otter native to the North Pacific, from northern Japan and Kamchatka west across the Aleutian Islands south to California. ... Genera Amblonyx Aonyx Enhydra Lontra Lutra Lutrogale Pteronura Otters are aquatic or marine carnivorous mammals, members of the large and diverse family Mustelidae, which also includes weasels, polecats, badgers and others. ... Binomial name Lontra canadensis (Schreber, 1777) The Northern River Otter, Lontra canadensis, is a North American member of the Mustelidae or weasel family. ... Binomial name Lontra provocax The Southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina. ... Binomial name Lontra longicaudis (Olfers, 1818) The Neotropical River Otter (or just Neotropical Otter), Lontra longicaudis, is an otter species found in Central and South America. ... Binomial name (Molina, 1782) Marine Otters (Lontra felina) are rare and poorly-understood marine mammals of the weasel family (Family Mustelidae). ... Binomial name Lutra lutra (Linnaeus, 1758) The European Otter, Lutra lutra, is a European member of the Mustelidae or weasel family, and is typical of freshwater otters. ... Binomial name (Linnaeus, 1758) Range map (note: range also includes British Isles) The Eurasian otter, Lutra lutra, also known as the Eurasian river otter, common otter, Old World otter and European otter, is a European and Asian member of the Lutrinae or otter subfamily, and is typical of freshwater otters. ... Binomial name Lutra sumatrana The hairy-nosed otter (Lutra sumatrana) is an otter thought extinct in 1998 but more were found. ... Speckle-throated otter (hydrictis maculicollis) otherwise known as the spot-necked otter hunts in rivers and lakes and has to have clear water for visual purposes. ... Speckle-throated otter (hydrictis maculicollis) otherwise known as the spot-necked otter hunts in rivers and lakes and has to have clear water for visual purposes. ... Species † Lutrogale cretensis - Cretan Otter † Lutrogale palaeoleptonyx Lutrogale perspicillata - Smooth-coated Otter Lutrogale is a genus of otter, with only one extant species - the smooth-coated otter. ... Binomial name Lutrogale perspicillata (Geoffroy, 1826) The Smooth-coated Otter (Lutrogale perspicillata) is a species of otter, the only extant representative of the genus Lutrogale. ... Binomial name Pteronura brasiliensis (Gmelin, 1788) The Giant Otter, Pteronura brasiliensis, (also known as the river wolf) is the longest of the worlds otters, as well as one of the largest mustelids[2]. It is native to South America but is endangered and is also very rare in captivity. ... Binomial name Pteronura brasiliensis (Gmelin, 1788) The Giant Otter, Pteronura brasiliensis, (also known as the river wolf) is the longest of the worlds otters, as well as one of the largest mustelids[2]. It is native to South America but is endangered and is also very rare in captivity. ... For other uses, see Badger (disambiguation). ... Wikipedia does not have an article with this exact name. ... Wikipedia does not have an article with this exact name. ... Binomial name Linnaeus, 1758 Range map The Eurasian or European badger, Meles meles, is a mammal indigenous to most of Europe (excluding northern Scandinavia, Iceland, Corsica, Sardinia, Sicily and Cyprus) and to many parts of Asia, from about 15° to 65° North, and from about 10° West to 135° East. ... Binomial name Linnaeus, 1758 Range map The Eurasian or European badger, Meles meles, is a mammal indigenous to most of Europe (excluding northern Scandinavia, Iceland, Corsica, Sardinia, Sicily and Cyprus) and to many parts of Asia, from about 15° to 65° North, and from about 10° West to 135° East. ... Binomial name Melogale everetti (Thomas, 1895) The Everetts Ferret Badger (Melogale everetti), also known as the Kinabalu Ferret Badger, is a member of the Mustelidae family. ... Binomial name Melogale moschata The Chinese Ferret Badger Distinctive mask-like face markings distinguish the Chinese ferret badger from other oriental mustelids. ... Mydaus is a genus of Old World carnivore comprising of two species of stink badger. ... Binomial name Mydaus marchei (Huet, 1887) The Palawan stink badger is a small badger that lives on the Philippine Islands of Palawan and Busuanga. ... The Javan Stink Badger (Mydaus javanensis, also called the Teledu, Malay Stink Badger and Indonesian Stink Badger) is a member of the badger family endemic to Java. ... Binomial name Mellivora capensis (Schreber, 1776) The Ratel (Mellivora capensis), also known as the Honey Badger, is a member of the Mustelidae family. ... Binomial name Mellivora capensis (Schreber, 1776) The Ratel (Mellivora capensis), also known as the Honey Badger, is a member of the Mustelidae family. ... Binomial name Mellivora capensis (Schreber, 1776) The Ratel (Mellivora capensis), also known as the Honey Badger, is a member of the Mustelidae family. ... Binomial name Taxidea taxus (Schreber, 1777) The American Badger, Taxidea taxus, is a North American badger, somewhat similar in appearance to the European Badger. ... Binomial name Taxidea taxus (Schreber, 1777) The American Badger, Taxidea taxus, is a North American badger, somewhat similar in appearance to the European Badger. ... Mustelinae is a Subfamily of Family Mustelidae and includes wolverines, weasels, ferrets, martens, and similar carnivorous mammals of Order Carnivora. ... Binomial name Linnaeus, 1758 A Tayra at the Summit Botanical Gardens and Zoo, Panamá The Tayra (Eira barbara), also known as the Tolomuco or Perico ligero in Central America, is an omnivorous animal from the weasel family Mustelidae. ... Binomial name Linnaeus, 1758 A Tayra at the Summit Botanical Gardens and Zoo, Panamá The Tayra (Eira barbara), also known as the Tolomuco or Perico ligero in Central America, is an omnivorous animal from the weasel family Mustelidae. ... The hurón or grison (Spanish: ferret) refers to either of two related ferret-like mammals from Central and South America: Galictis vittatus. ... Binomial name Galictis cuja (Molina, 1782) The Lesser Grison (Spanish: Hurón Menor; Portuguese: Furão), Galictis cuja, is an animal belonging to the ferret family Mustelidae from South America. ... Binomial name Galictis vittata (Schreber, 1776) The Greater Grison, Galictis vittata, is an animal belonging to the ferret family Mustelidae from Central and South America, from southern Mexico to Brazil and Bolivia, living in savannas and rainforests, usually seen near rivers and streams. ... For other uses, see Wolverine (disambiguation). ... For other uses, see Wolverine (disambiguation). ... Binomial name Ictonyx striatus Kaup, 1835 The Striped Polecat (Ictonyx striatus, also called the African Polecat, Zoril, Zorille or Zorilla) is a member of the weasel family which somewhat resembles a skunk. ... Binomial name Ictonyx striatus Kaup, 1835 The Striped Polecat (Ictonyx striatus, also called the African Polecat, Zoril, Zorille or Zorilla) is a member of the weasel family which somewhat resembles a skunk. ... Binomial name Lyncodon patagonicus (Blainville, 1842) The Patagonian weasel is a small mustelid that is the only member of the genus Lyncodon. ... Binomial name Lyncodon patagonicus (Blainville, 1842) The Patagonian weasel is a small mustelid that is the only member of the genus Lyncodon. ... Species Martes americana Martes flavigula Martes foina Martes gwatkinsii Martes martes Martes melampus Martes pennanti Martes zibellina For the Wiltshire village see Marten, Wiltshire. ... Binomial name Martes americana (Turton, 1806) The American Marten (Martes americana) is a North American marten sometimes also called the Pine Marten, even though it is a separate species from the European Pine Marten. ... Binomial name Martes flavigula Boddaert, 1785 Subspecies M. f. ... Binomial name Martes foina (Erxleben, 1777) The Beech Marten (Martes foina) is the most common species of marten in Central Europe. ... Nilgiri marten Martes gwatkinsii Horsfield, 1851 Distribution The Nilgiri marten is endemic to Western Ghats. ... Binomial name Martes martes (Linnaeus, 1758) This article is about the European Pine Marten. ... Binomial name (Erxleben, 1777) The fisher is a North American marten, a medium sized mustelid. ... Binomial name Martes zibellina Linnaeus, 1758 The Sable (Martes zibellina) is a small mammal, closely akin to the martens, living in southern Russia near the Ural Mountains through Siberia and Mongolia to Hokkaidō in Japan. ... For other uses, see Weasel (disambiguation). ... Binomial name Desmarest, 1818 The Tropical Weasel or Amazon Weasel (Mustela africana) is a South American weasel, which has been recorded in Brazil, Colombia, Ecuador and Peru. ... Binomial name Mustela altaica Pallas, 1811 The Mountain Weasel, also known as the Pale Weasel, is a species of weasel that lives in mountainous parts of Asia from Kazakhstan, Tibet and the Himalayas through to Mongolia, northeastern China, southern Siberia and Korea. ... Ermine redirects here. ... Binomial name (Lesson, 1827) The Steppe Polecat (Mustela eversmannii) is a small carnivore and is one of several species of weasel that belong to the genus Mustela. ... Species Mustela felipei Colombian Weasel (Comadreja Colombiana) is a mammal originary of south america, specially Colombia , but some specimens have been found in northern Ecuador. ... Binomial name Mustela frenata Lichtenstein, 1831 The Long-tailed Weasel (Mustela frenata) is the most widely distributed mustelid in the New World. ... Binomial name Hodgson, 1835 The Yellow-bellied Weasel (Mustela kathiah) is a species of mammal in the Mustelidae family. ... Binomial name Mustela lutreola (Linnaeus, 1761) The European Mink, Mustela lutreola, is a European member of the Mustelidae family found in some regions of Spain, France, Romania, Sweden, Poland and the greater part of Russia, though not found east of the Ural Mountains. ... The Indonesian Mountain Weasel (Mustela lutreolina) is only found on the islands of Java and Sumatra at elevations over 1,000 metres. ... Binomial name (Audubon & Bachman, 1851) The Black-footed Ferret (Mustela nigripes) is a small carnivorous North American mammal closely related to the Steppe Polecat of Russia, and a member of the diverse family Mustelidae which also includes weasels, mink, polecats, martens, otters, and badgers. ... Binomial name Linnaeus, 1766 The Least Weasel, is the smallest member of the genus Mustela, and indeed in the entire order carnivora. ... Binomial name Mustela putorius (Linnaeus, 1758) This article is about one species of mammal referred to as Polecat. For other uses, see Polecat (disambiguation). ... Binomial name Mustela sibirica Pallas, 1773 The Siberian Mountain Weasel, also known as the Siberian Weasel, Kolinsky or Himalayan Weasel, is a rust coloured relative of the weasel. ... Trinomial name Mustela strigidorsa xxxx (AuthorLastname, XXXX) The Back-striped weasel (Lat. ... Binomial name (Schreber, 1777) The American Mink is a trademark of the American Legend Cooperative The American Mink, Neovison vison, is a North American member of the Mustelidae family found in Alaska, Canada and most of the United States. ... Binomial name Vormela peregusna (Güldenstädt, 1770) The marbled polecat () is a small mammal belonging to the monotypic genus Vormela within the Mustelinae subfamily. ... Binomial name Vormela peregusna (Güldenstädt, 1770) The marbled polecat () is a small mammal belonging to the monotypic genus Vormela within the Mustelinae subfamily. ...

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Otter - Wikipedia, the free encyclopedia (827 words)
Otters are aquatic or marine carnivorous mammals, members of the large and diverse family Mustelidae, which also includes weasels, polecats, badgers, and others.
To survive in the cold waters where many otters live, the specialised fur is not enough: otters have very high metabolic rates and burn up energy at a profligate pace: Eurasian otters, for example, must eat 15% of their body weight a day; sea otters, 20 to 25%, depending on the temperature.
Sea otters eat shellfish and other invertebrates (especially clams, abalone, and sea urchins), and are frequently observed using rocks as crude tools to smash open shells.
otter - definition of otter in Encyclopedia (772 words)
Otters have a dense layer 1,000 hairs/mm² (~650,000 hairs/in²) of very soft underfur which, protected by their outer layer of long guard hairs, keeps them dry under water and traps a layer of air to keep them warm.
In consequence, otters are very vulnerable to prey depletion: in water as warm as 10°C an otter needs to catch 100 g of fish per hour: less than that and it cannot survive.
Sea otters have 1 million hairs per square inch of skin, a rich fur for which they were hunted almost to extinction.
  More results at FactBites »

 
 

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