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Encyclopedia > Kangaroo rat
Wikipedia:How to read a taxobox
How to read a taxobox
Kangaroo rats
Fossil range: Late Pliocene - Recent

Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Subclass: Eutheria
Order: Rodentia
Family: Heteromyidae
Genus: Dipodomys
Gray, 1841
Species

22, see text The Pliocene epoch (spelled Pleiocene in some older texts) is the period in the geologic timescale that extends from 5. ... File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. ... Digimon, the only known animals. ... Typical Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... Subclasses Allotheria* Order Multituberculata (extinct) Order Volaticotheria (extinct) Order Palaeoryctoides (extinct) Order Triconodonta (extinct) Prototheria Order Monotremata Theria Infraclass Marsupialia Infraclass Eutheria The mammals are the class of vertebrate animals characterized by the production of milk in females for the nourishment of young, from mammary glands present on most species... Eutheria is a taxon (specifically, an infraclass) nearly synonymous with Placentalia, containing the placental mammals and the nearest ancestors of placental mammals (which are known only from the fossil record). ... Suborders Sciuromorpha Castorimorpha Myomorpha Anomaluromorpha Hystricomorpha Rodentia is an order of mammals also known as rodents. ... SubFamilies Dipodomyinae Heteromyinae Perognathinae Most Heteromyidae live in complex burrows within the deserts and grasslands of western North America, though species within the Heteromys and Liomys genera are also found in forests and extend down as far as northern South America. ... John Edward Gray. ... In biology, a species is one of the basic units of biodiversity. ...

Kangaroo rats, genus Dipodomys, are small rodents native to North America. The name derives from their bipedal form: they hop like tiny kangaroos. However, kangaroo rats and kangaroos are only related in that both are mammals. Suborders Sciuromorpha Castorimorpha Myomorpha Anomaluromorpha Hystricomorpha Rodentia is an order of mammals also known as rodents. ... World map showing North America A satellite composite image of North America. ... Species Macropus rufus Macropus giganteus Macropus fuliginosus Macropus antilopinus A kangaroo is any of several large animals of the Macropodidae, a marsupial family that also includes the wallabies, tree-kangaroos, wallaroos, pademelons and the Quokka, some 63 living species in all. ... Species Macropus rufus Macropus giganteus Macropus fuliginosus Macropus antilopinus A kangaroo is any of several large animals of the Macropodidae, a marsupial family that also includes the wallabies, tree-kangaroos, wallaroos, pademelons and the Quokka, some 63 living species in all. ... 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...


Twenty two species are currently recognized. Their size varies from 100 to 200 mm, with a tail of equal or slightly greater length; weight can be anywhere between 35 and 180 grams. The most distinctive feature of the kangaroo rats is their very long hind legs. In biology, a species is one of the basic units of biodiversity. ...


Like the jerboas of African and Asian deserts and the hopping mice of outback Australia, kangaroo rats have highly developed hind legs, live in deep burrows which shelter them from the worst of the desert heat, and rarely drink water. Instead, they have a highly water-efficient metabolism (their kidneys are at least four times more efficient at retaining water and excreting salt than those of humans), and manufacture water through a metabolic process called oxidative phosphorylation. Despite sharing so many characteristics with jerboas and hopping mice, the three groups are not closely related to one another: the similarities are the result of convergent evolution. Genera 10 genera in 5 subfamilies Jerboas are the members of the family Dipodidae; they are small jumping desert rodents of Asia and northern Africa that resemble mice with a long tufted tail and very long hind legs. ... A world map showing the continent of Africa. ... World map showing the location of Asia. ... Species alexis cervinus fuscus mitchelli aquillo longicaudatus amplus macrotis mordax sp. ... It has been suggested that Renal anomalies and Renal plasma threshold be merged into this article or section. ... The Electron Transport Chain. ... In evolutionary biology, convergent evolution is the process whereby organisms not closely related, independently evolve similar traits as a result of having to adapt to similar environments or ecological niches. ...


Kangaroo rats are found in arid and semi-arid areas of the United States and Mexico which retain some grass or other vegetation. Their diet includes seeds, leaves, stems, buds, some fruit, and insects. Most kangaroo rat species use their burrows and buried caches nearby to store food against the possibility of bad seasons. The Banner-tailed Kangaroo Rat has been recorded making burrows with several storage chambers up to 25 cm in diameter each, and containing almost 6 kilograms of stored food.


Unlike the jerboas and hopping mice, but like their close relatives the pocket mice, kangaroo rats have large cheek pouches that open on either side of the mouth and extend back to the shoulders. They fill the pouches with food or nesting material ready for transport back to the burrow, then empty them by turning them inside out, like pockets, with their forepaws. There is a special muscle that, once the pouch is empty and clean, pulls it back in again. Species Perognathus alticola Perognathus amplus Perognathus fasciatus Perognathus flavescens Perognathus flavus Perognathus inornatus Perognathus longimembris Perognathus merriami Perognathus parvus Perognathus is a genus of pocket mouse. ...


The overall color of the kangaroo rats can be anywhere between pale, sandy yellow, and dark brown, with a white underside and often with white banding across the thighs. Tails tend to be dark with white sides and a tuft of longer hairs. Facial markings vary from one species to another, but all have an oil gland between the shoulders.


One special feature of the kangaroo rat is the animal's efficient kidneys. The kangaroo rat has a longer loop of Henle in the nephrons which permit a greater magnitude of countercurrent multiplication and thus a larger medullary vertical osmotic gradient. As a result, these rodents can produce urine that is concentrated up to an osmolarity of almost 6,000 mosm/liter, which is five times more concentrated than maximally concentrated human urine at 1,200 mosm/liter. Because of this tremendous concentration ability, kangaroo rats never have to drink; the H2O produced metabolically within their cells during oxidation of foodstuff (food plus O2 yields CO2 + H2O + energy) is sufficient for their needs. It has been suggested that Renal anomalies and Renal plasma threshold be merged into this article or section. ... In the kidney, the loop of Henle is the portion of the nephron that leads from the proximal convoluted tubule to the distal convoluted tubule. ... This article or section is in need of attention from an expert on the subject. ...

  • Family Heteromydae
    • Subfamily Dipodomyinae
      • Ord's Kangaroo Rat, Dipodomys ordii
      • Gulf Coast Kangaroo Rat, Dipodomys compactus
      • Chisel-toothed Kangaroo Rat, Dipodomys microps
      • Panamint Kangaroo Rat, Dipodomys panamintinus
      • Stephen's Kangaroo Rat, Dipodomys stephensi
      • Big-eared Kangaroo Rat, Dipodomys elephantinus
      • Narrow-faced Kangaroo Rat, Dipodomys venustus
      • Agile Kangaroo Rat, Dipodomys agilis
      • Heerman's Kangaroo Rat, Dipodomys heermanni
      • California Kangaroo Rat, Dipodomys californicus
      • San Quintin Kangaroo Rat, Dipodomys gravipes
      • Giant Kangaroo Rat, Dipodomys ingens
      • Bannertail Kangaroo Rat, Dipodomys spectabilis
      • Nelson's Kangaroo Rat, Dipodomys nelsoni
      • Texas Kangaroo Rat, Dipodomys elator
      • Phillip's Kangaroo Rat, Dipodomys phillipsii
      • Merriam's Kangaroo Rat, Dipodomys merriami
      • San Jose Island Kangaroo Rat, Dipodomys insularis
      • Margarita Island Kangaroo Rat, Dipodomys margaritae
      • Fresno Kangaroo Rat, Dipodomys nitratoides
      • Desert Kangaroo Rat, Dipodomys deserti

Binomial name Dipodomys ordii Woodhouse, 1853 Ords Kangaroo Rat, Dipodomys ordii, is a kangaroo rat that is native to Western North America, specifically the Great Plains and the Great Basin with its range extending from extreme southern Canada to central Mexico. ... Trinomial name Dipodomys heermanni morroensis Morro Bay kangaroo rats live in the sandy to rocky soils. ... Binomial name Dipodomys ingens (Merriam, 1904) The Giant Kangaroo Rat (Dipodomys ingens) is an endangered rodent species endemic to California. ... Binomial name Dipodomys elator Merriam, 1894 The Texas Kangaroo Rat, Dipodomys elator, is a kangaroo rat that is native to Texas where it lives in mesquite brush. ...

External links


  Results from FactBites:
 
Kangaroo rat - Wikipedia, the free encyclopedia (475 words)
Kangaroo rats, genus Dipodomys, are small rodents native to North and Central America.
The name derives from their bipedal form (they hop like tiny kangaroos) but the resemblance is purely visual: kangaroo rats and kangaroos are only distantly related, as both are mammals.
Kangaroo rats are found in arid and semi-arid areas of the United States and Mexico which retain some grass or other vegetation.
Texas Kangaroo Rat (Dipodomys elator) (391 words)
The Texas kangaroo rat is a rare rodent with habitat preferences unusual for a kangaroo rat.
The rats make trails leading to their burrows, which invariably enter the ground at the base of a small mesquite, often in such fashion that one root of the mesquite forms the top or side of the opening.
The burrow is similar to that of the Ord’s kangaroo rat, but usually it is shorter and the animal does not plug the entrances during the daytime.
  More results at FactBites »

 
 

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