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Encyclopedia > Blue Duck
Stamp issued by New Zealand depicting a Blue Duck
Stamp issued by New Zealand depicting a Blue Duck
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Blue Duck
Conservation status: Endangered
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Anseriformes
Family: Anatidae
Genus: Hymenolaimus
Gray, 1843
Species: malacorhynchus
Binomial name
Hymenolaimus malacorhynchus
(Gmelin, 1789)
Subspecies
  • H. m. malacorhynchus (South Island Blue Duck)
  • H. m. hymenolaimus (North Island Blue Duck)

The Blue Duck (Hymenolaimus malacorhynchus) is a member of the duck, goose and swan family Anatidae. It is in the shelduck subfamily Tadorninae, and is the only member of the genus Hymenolaimus. The Maori name is Whio. Image File history File links Wiki_blueduck. ... Image File history File links Wiki_blueduck. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicatas 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 Many - see section below. ... Families  Anhimidae  Anseranatidae  Anatidae The order Anseriformes contains about 150 species of bird in three families: the Anhimidae (the screamers), Anseranatidae (the Magpie Goose), and the Anatidae, which includes over 140 species of waterfowl, among them the ducks, geese, and swans. ... Subfamilies Dendrocygninae Thalassorninae Anserinae Stictonettinae Plectropterinae Tadorninae Anatinae Merginae Oxyurinae Anatidae is the biological family that includes the ducks and most duck-like waterfowl, such as geese and swan. ... George Robert Gray (July 8, 1808 - May 6, 1872) was an English zoologist and author and head of the ornithological section of the British Museum in London for forty-one years. ... In biology, binomial nomenclature is the formal method of naming species. ... Johann Friedrich Gmelin (August 8, 1748 - November 1, 1804) was a German naturalist and botanist. ... 1789 was a common year starting on Thursday (see link for calendar). ... In zoology, as in other branches of biology, subspecies is the rank immediately subordinate to a species. ... Subfamilies Dendrocygninae Oxyurinae Anatinae Merginae Duck is the common name for a number of species in the Anatidae bird family. ... Genera Anser Branta Chen Cereopsis Cnemiornis (extinct) † see also: Swan, Duck Anatidae Goose (plural geese) is the general English name for a considerable number of birds, belonging to the family Anatidae. ... Genera Cygnus Coscoroba Swans are large water birds of the family Anatidae, which also includes geese and ducks. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Subfamilies Dendrocygninae Thalassorninae Anserinae Stictonettinae Plectropterinae Tadorninae Anatinae Merginae Oxyurinae Anatidae is the biological family that includes the ducks and most duck-like waterfowl, such as geese and swan. ... ... Genera Sarkidiornis Tadorna Malacorhynchus Cyanochen Chloephaga Neochen Alopochen Hymenolaimus Merganetta Tachyeres The Tadorninae is a subfamily of the Anatidae, the biological family that includes the ducks and most duck-like waterfowl such as the (geese and swans). ...


This 54 cm long species is an endemic resident breeder in New Zealand, nesting in hollow logs, small caves and other sheltered spots. It is a rare duck, holding territories on fast flowing mountain rivers. In biology, a species is the basic unit of biodiversity. ... In biology and ecology endemic means exclusively native to a place or biota, in contrast to cosmopolitan or one of various ways of being not native (e. ...


It is a powerful swimmer even in white water, but is reluctant to fly. It is difficult to find, but not particularly wary when located.


The blue duck is a dark slate-grey duck with a chestnut-flecked breast and a paler bill and eye. The pinkish-white bill has fleshy flaps of skin hanging from the sides of its tip. The male's call is an aspirated whistle, and the female's is a rattling growl.


This is a very localised species now due to predation from introduced mammals, competition for its invertebrate food with introduced trout, and damming of mountain rivers for hydroelectric schemes. Invertebrate is a term coined by Jean-Baptiste Lamarck to describe any animal without a spinal column. ... Rainbow trout (Oncorhynchus mykiss) Biwa trout (Oncorhynchus masou subsp) Trout is the common name given to a number of species of freshwater fishes belonging to the salmon family, Salmonidae. ...


Reference

  • Wildfowl by Madge and Burn, ISBN 0-7470-2201-1

  Results from FactBites:
 
Encyclopedia: Blue Duck (219 words)
The Blue Duck (Hymenolaimus malacorhynchus) is a member of the duck, goose and swan family Anatidae.
It is a rare duck, holding territories on fast flowing mountain rivers.
Blue Duck is a stocky dark grey duck with a paler bill and eye.
  More results at FactBites »

 
 

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