The redhead Aythya americana is a medium-sized diving duck. The scientific name is derived from Greek aithuia an unidentified seabird mentioned by authors including Hesychius and Aristotleand Latin americanaof America. It belongs to the genus Aythyatogether with 11 other described species. The redhead and the common pochard form a sister group which together is sister to the canvasback.
Photos underwater redhead redhead goes by many
Photos underwater redhead, including the red-headed duck and the red-headed pochard. The redhead is in the family Anatidae ducks, swans, geese and genus Aythya diving ducks. There are currently no described subspecies of the redhead. The redhead and the common pochard form a sister group which itself is sister to the canvasback.
The redhead is a pocharda diving duck specially adapted to foraging underwater. Their legs are placed farther back on the body, which makes walking on land difficult, the webbing on their Photos underwater redhead is larger than dabbling ducks and their bills are broader, to facilitate underwater foraging. In addition, pochards have a lobed hind toe.
During breeding season, adult males have a copper head and neck, with a black breast. The back and sides are grey, the belly is white and the rump and tail are a light black.
Male bills are pale blue with a black tip and a thin ring separating the two colours. Non breeding males lose the copper colour and instead have brown heads. Adult females, however, have a yellow to brown head and neck. "Photos underwater redhead" breast is brown, the belly is white and the rest of the body is a grey to brown.
The female bills are slate with a dark tip that is separated by a blue ring. Females remain the same colour year round. During breeding seasonredheads are found across a wide range of North Americafrom as far north as Northern Canada to the lower United States. Their preferred areas include the intermontane regions of British Columbia, Alberta, Saskatchewan, Manitoba, and the Dakotas with some small localities in Ontario, Quebec and southern United States.
These pochards then migrate south to winter in warmer climates. These areas include southern United States where breeding does not occur and extends to Mexico and Guatemala. Small, semi-permanent wetlands in non-forested country where the water is deep enough to provide
Photos underwater redhead emergent vegetation is considered ideal breeding habitat for redheads. Redheads do not have many predators and are most likely to die of disease or indirect human impact. These ducks are not the most common waterfowl, as mallards are, so hunting is minimal.
Adults can be preyed upon by northern "Photos underwater redhead" ottersred-tailed hawksgreat horned owlsbald eaglesgolden eagles and to a greater extent, minks. Northern pike and snapping turtles are known to eat ducklings whereas skunksminkscrows and magpies will steal and eat redhead eggs.
In addition, the species uses semi-permanent and permanent wetlands to breed and these habitats are less likely to be affected by drought. For future management of species, organizations are looking into wetland conservation. Redheads leave their winter range in late January and February with all birds migrating by mid-March.
In central North America, migrants arrive as soon as temperatures open wetlands and Photos underwater redhead, which can range from late February Nebraska to early May Alberta, Manitoba and Iowa.
In the Great Lakes region and north-eastern North America, migrants will also arrive as soon as bodies of water open up. Western birds migrate through Great Basin to the Pacific Coast.
In British Columbia, fall migration begins in September and continues through October. Most redheads winter along the Gulf of Mexico offshore Louisiana, Florida and Mexico however eastern populations will winter in South Carolina. Redheads flock together on lakes and other bodies of water but Photos underwater redhead migrate in pairs, which are formed in December or January through elaborate courtship rituals. Males begin this process through neck-kinking and head throwing displays while emitting a cat-like call.
If interested, the female will herself produce inciting calls towards the male while performing alternate lateral and chin lifting movements. The male then swims ahead of her and turns the back of his head towards the female. Eventually, the Photos underwater redhead initiates copulation by alternating bill dipping and preening dorsally towards the female, an action in which the female might return to the male.
Once copulation is completed, female redheads begin forming nests. They are built with thick and strong plant material in emergent vegetation, such as hard stem bulrushcattails and sedgesover Photos underwater redhead near standing water.
This is thought to occur because some younger, inexperienced redhead females parasitize other pochards. There is little information on redhead vocalizations outside of breeding calls. Males will emit calls when courting the female. All pochards have similar diets include both plant and animal materials.
Redheads undergo a niche switch when breeding and when wintering. During the breeding season, redheads will eat as much animal matter as possible, including gastropodsmollusks and insect larvae. Gastropods known as food of Aythya americana include: Acteocina canaliculataActeon punctostriatusAnachis avaraAnachis obesaCaecum nitidumCalliostoma sp. From Wikipedia, the free encyclopedia. Redhead Breeding male Female with young Conservation status.
International Union for Conservation of Nature. Waterfowl of North America. Waterfowl of North America: Handbook of Photos underwater redhead Behavior. An Association between Wetland Characteristics and Success". Waterfowl Ecology and Management. Waterfowl Management Handbook Retrieved October 7, Acta Zoologica Academiae Scientiarum Hungaricae.
Game animals and shooting in North America. Retrieved from " https: Articles with 'species' microformats. Views Read Edit View history. In other projects Wikimedia Commons Wikispecies.
Wikispecies has "Photos underwater redhead" related to Aythya americana. The redhead (Aythya americana) is a medium-sized diving duck. The scientific name is derived The redhead is a pochard, a diving duck specially adapted to foraging underwater. Lab of Ornithology; Redhead photo gallery at VIREO ( Drexel University); Interactive range map of Aythya americana at IUCN Red List maps. Photos underwater redhead gray body. A diving duck or pochard, the redhead typically dives completely underwater to forage.
Photo of redhead drake floating on water. The male. See more ideas about Underwater photos, Water photography and Fine art Model: Brooke Jamieson [redhead][red dress][underwater photography]. Find this .
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The redhead Aythya americana is a medium-sized diving duck. The well-ordered name is derived from Greek aithuia an unidentified seabird mentioned by authors including Hesychius and Aristotle , and Latin americana , of America.
It belongs to the genus Aythya Solemn, together with 11 other described species. The redhead and the common pochard form a sister group which together is sister to the canvasback. The redhead goes by many names, including the red-headed duck and the red-headed pochard. The redhead is in the family Anatidae ducks, swans, geese and genus Aythya diving ducks. There are currently no described subspecies of the redhead.
The redhead and the common pochard form a sister group which itself is sister to the canvasback. The redhead is a pochard , a diving duck specially adapted to foraging underwater. Their legs are placed farther back on the body, which makes walking on land difficult, the webbing on their feet is larger than dabbling ducks and their bills are broader, to facilitate underwater foraging.
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