What is the American black duck?
American black duck is a large dabbling duck similar to Mallard. They have a dark chestnut feathers on the body and on their neck and their heads are slightly lighter. On the flight you can see a purple blue speculum or patch on the wing and the underside of the wings is much lighter than the rest of the feathers. Their legs and legs are red. They differ only in the color of the beak and the difference is the most remarkable during the mating season. While the male American black duck has an olive green to a yellow account, the woman has a dull, olive greener. The scientific name for the American black duck is Anas rubripes .
American black duck is found in the US and Canada, and the population suddenly decreases. The real cause is uncertain, but it is assumed that the possible malard ducks have expanded and connected, while they also took over breeding lands formerly inhabited by American black ducks. However, the effort to protect and limited hunting has resulted in their growing number.
Most often American black ducks live along the northeast of the US in wooded wetlands or marshy areas and can migrate seasonally. During the autumn and winter, the breeding pairs are joined. They will stay together in the winter for reproduction when a woman lays eggs, usually between nine and ten of them. The male then leaves the female to incubate eggs and passes through the melting process and leaves it without flight.
American black duck eggs are usually white to greenish. When Ducklings are born, they are able to swim and feed and once a large -scale duck are also undergoing a period of melting. By August, both sexes are able to fly again.
American black ducks are omnipotent, it is that they eat both vegetable and animal products. Foume or immerses in water, feed on plant materials and small animals under the surface and can occasionally dive deeper down. In fresh water, these animals may include water insects notOr amphibians, such as tadpoles, and in salt water environments can include crustaceans and molluscs. They can occasionally scrabble for food on the ground, but that's unusual.