What is the redhead?
duck, or Aythya Americana , is a diving duck found throughout North America and parts of Europe, Asia and the South Pacific. He lives in ponds, bays, lakes, swamps and other water sites. The species gets its name from the distinctive brick red head of the duck male redhead. These birds tend to gather in very large flocks in water formations. Often they also fly in small groups in the formation in the shape of the letter V.
Redhead duck is a medium -sized duck with hard squat. The upper part of the head is also very round. The adult weighs only over 2 pounds (about 1 kg) and measures about 19 inches (48.3 cm) long when it is fully grown. For example, a man's head is much reddish than a woman's head. The male also has gray and gray-black or black chest and rump. May yellow orange eyes and light blue account with black tip. The woman is dully colored in brown and gray color, with brown eyes and a dark gray blue account inclined black. They also eat insects and small molluscs and fish. They can withe dip underwater in search of food, but also dabbes, which means that they pull out the food while floating on top of the water.
Northwest United States and Southwest Canada are common Chod areas for North American redheads. They usually behave in the summer and migrate south and east to winter. Winter flocks can contain tens of thousands of birds.
The redhead prefers a nest in marshy areas containing shallow water and builds nests using dead vegetation and down. Many types of ducks practice parasitic nesting behavior. This means that women lie at least some, for example, in the nests of other ducks. Female Russians are known to do it. They can also "interpret" eggs by putting them in failed nests. These eggs are basically abandoned.ducks reddish deleys do not help their friends tend to eggs or raise young. Males leave the nesting area BRys after the eggs are laid. Man and female juveniles are colored, like adults. Mothers remain with the young until youthful cannot fly, approximately two to three months after hatching.
Most types of ducks are subject to at least one complete molt per year, in which they shed and abandon all their feathers. The melting process may take several weeks. During this time, ducks are not able to fly feather due to the temporary loss of their wing.
Male redhead ducks will undergo a complete molt soon after mating and after migration for their winter territory. They lose a clearly colored feathers and take a dull look of women; They are red -headed without flight for about two to four weeks. As the reproduction period is approaching, they are subject to a partial molt in which they shed their matte body of feathers and strangely colored feathers.
The red -haired ducks underwent a complete molt soon before the nest and became even a dull color. This helps them mix with vegetation and avoid predators during the nest. Women are several weeks without flight, forThey tend to their eggs and newly hatch young. Then they undergo a partial molt and regain the usual color.