Familiar to most North American birders in its black-and-white winter plumage, the Horned Grebe is more striking in its red-and-black breeding feathers. Its "horns" are yellowish patches of feathers behind its eyes that it can raise and lower at will.
Adult Description.
Small waterbird.
Small head and bill.
Bill short and thin.
White cheek in winter.
Reddish neck, black cheek, and yellow tuft behind eye in summer.
The Horned Grebe is a small grebe at 31–38 centimetres (12–15 in) long with a 46–55 centimetres (18–22 in) wingspan. Unmistakable in summer, the plumage of both male and female includes a black head with brown puffy earlike tufts along the sides of its face. It shows a deep red neck, scarlet eyes, and a small, straight black bill tipped with white. It rides high in the water.
Breeding.
Slavonian Grebes breed in vegetated areas of freshwater lakes across Europe and Asia. It also breeds in remote inland parts of the United States and much of Canada. Most birds migrate in winter to the coast. During this time, this small grebe is mainly white with a sharply defined black cap. During breeding, the male's call is heard as an odd, striking series of loud croaks and chattering notes followed by prolonged shrieks.
Like all grebes, it builds a nest on the water's edge, since its legs are set very far back and it cannot walk well. Usually two eggs are laid, and the striped young are sometimes carried on the adult's back.
Folk names of this bird include Devil-diver, hell-diver, pink-eyed diver, and water witch. Its name is often abbreviated by British birders to "Slav Grebe" or simply "Slav".
In the lore of the Blackfeet, the trickster Old Man tricked several ducks into closing their eyes and dancing while he killed them one by one. However, the smallest duck looked, saw Old Man, and alerted the other ducks. This "duck" was the Horned Grebe, who became the first to notice trouble.
Fact.
Like most grebes, the small chicks of the Horned Grebe frequently ride on the backs of their swimming parents. The young ride between the wings on the parent's back, and may even go underwater with them during dives.
The Horned Grebe regularly eats some of its own feathers, enough that its stomach usually contains a matted plug of them. This plug may function as a filter or may hold fish bones in the stomach until they can be digested. The parents even feed feathers to their chicks to get the plug started early.
A sleeping or resting Horned Grebe puts its neck on its back with its head off to one side and facing forward. It keeps one foot tucked up under a wing and uses the other one to maneuver in the water. Having one foot up under a wing makes it float with one "high" side and one "low" side.
Habitat.
Breeds on small to moderate-sized, shallow freshwater ponds and marshes. Winters along coasts and on large bodies of water.
Foods.
Aquatic insects, fish, crustaceans, and other small aquatic animals.
Nesting.
Clutch Size
3–8 eggs
Egg Description
White to brownish or bluish green.
Condition at Hatching
Downy and active; can swim and dive within one day, but usually stay on nest platform.
LISTEN & SOUND DOWNLOAD.
0 comments:
Posting Komentar