The Comb Duck, Sarkidiornis melanotos, is an unusual duck, best placed in the shelduck subfamily Tadorninae, though it has formerly been included in the Anatinae. Wikipedia does not have an article with this exact name. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascideiacea 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. ... Thomas Campbell Eyton (September 10, 1809 - October 25, 1880) was an English naturalist. ... In biology, binomial nomenclature is a standard convention used for naming species. ... Thomas Pennant (June 14, 1726 - December 16, 1798) was a Welsh naturalist and antiquary. ... 1769 was a common year starting on Sunday (see link for calendar). ... Subfamilies Dendrocygninae Oxyurinae Anatinae Merginae Drake Mallard Duck is the common name for a number of species in the Anatidae bird family. ... 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). ... 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). ... The Anatinae is one of the subfamilies of the family Anatidae, which includes the swans, geese and ducks. ...

It breeds in the tropics in South America, sub-Saharan Africa and India. It is largely resident, apart from dispersion in the wet season. It nests mainly in tree holes, laying 7-15 eggs. South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ... Satellite image The Sahara is the worlds second largest desert (second to Antarctica), over 9,000,000 km² (3,500,000 mi²), located in northern Africa and is 2. ... Africa is the worlds second-largest continent and third most populous. ...

The habitat is still freshwater swamps and lakes, where this duck feeds on vegetation by grazing or dabbling. Subfamilies Dendrocygninae Oxyurinae Anatinae Merginae Drake Mallard Duck is the common name for a number of species in the Anatidae bird family. ...

An African comb duck

This common species is unmistakable. It has a white neck, head and underparts, and glossy blue- black upperparts. The head is freckled with dark spots. The male is larger than the female, and has a large black knob on the bill. Young birds are brown above and buff below. Download high resolution version (584x646, 177 KB) Wikipedia does not have an article with this exact name. ... Download high resolution version (584x646, 177 KB) Wikipedia does not have an article with this exact name. ...

South American birds, S. m. sylvicola, are smaller and have black flanks (white in Old World birds). The Old World consists of those parts of Earth known to Europeans before the voyages of Christopher Columbus: Europe, Asia, and Africa (collectively known as Africa-Eurasia) and the surrounding islands. ...

Reference

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