Search results
Results from the WOW.Com Content Network
Anseriformes is an order of birds also known as waterfowl that comprises about 180 living species of birds in three families: Anhimidae (three species of screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which includes over 170 species of waterfowl, among them the ducks, geese, and swans. Most modern species in the ...
Anseriformes is an order of birds belonging to the clade Galloanseres. It consists of 3 families, 58 genera and 171 living species. It consists of 3 families, 58 genera and 171 living species. [ 1 ] [ 2 ] Extinct species assignment follows the Mikko's Phylogeny Archive [ 3 ] and Paleofile.com websites. [ 4 ]
The level of monogamy varies within the family; many of the smaller ducks only maintain the bond for a single season and find a new partner the following year, whereas the larger swans, geese and some of the more territorial ducks maintain pair bonds over a number of years, and even for life in some species.
Order: Anseriformes Family: Anatidae. Includes all but four species of Anseriformes. They are excellent at an aquatic life thanks to an oily covering on their feathers. Yellow-billed teal, Anas flavirostris (A)
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.
In the water, food is obtained by up-ending or dabbling, and their diet is composed of the roots, tubers, stems and leaves of aquatic and submerged plants. [16] Mute swan threatens a photographer in Toyako, Japan. A familiar behaviour of swans is that they mate for life, and typically bond even before they reach sexual maturity.
The word "goose" is a direct descendant of Proto-Indo-European *ǵʰh₂éns.In Germanic languages, the root gave Old English gōs with the plural gēs and gandra (becoming Modern English goose, geese, gander, respectively), West Frisian goes, gies and guoske, Dutch: gans, ganzen, ganzerik, New High German Gans, Gänse, and Ganter, and Old Norse gás and gæslingr, whence English gosling.
Screamers typical lay 4–5 white eggs, with clutches ranging between 2 and 7 . Like most Anseriformes, the chicks can run as soon as they are hatched. They can swim better than they can run, so young screamers are usually raised in or near water, where they can better avoid predators. Like ducks, screamer chicks imprint early in life. That ...