Fish Crow
Fish Crow
The fish crow ( Corvus ossifragus ) is an American Krähenart, which is particularly common in wetlands.
- 5.1 External links
- 5.2 Notes and references
Description
The fish crow is on the outside with the American Crow very similar, but it is smaller with 36-41 cm in length and has a silkier plumage. The plumage is black everywhere, oberseits it shimmers blue-green, while having at hand a more greenish shimmer. The eyes are dark brown. The two species are often distinguishable only in direct comparison or by the reputation.
Distribution and habitat
The species lives on the east coast of the United States of Rhode Iceland south to Key West and on the north coast of the Gulf of Mexico. Along river systems, it is also spread inland.
The habitat are limited largely to wetlands and coastal and shoreline along the coast and the rivers and the directly adjacent areas.
Behavior
Nutrition
Food is sought both on land and in shallow water. The Crow flying over shallow water areas and accesses edible with the feet out of the water. Be eaten small crustaceans and other invertebrates, stranded fish, eggs and nestlings of other birds, small reptiles, fruits and seeds, and human waste. When it caught the circumstances allow even live fish.
Reproduction
The nest is usually built in tall trees in small, loose colonies. The female lays 4-5 blue-green, olive color speckled eggs.
Endangering
The species seems against the West Nile virus to be something better resistant than Americans crow. There are reports of survival rates up to 45%, while these are held by the American Crow is close to zero.
In the Red List of Threatened Species IUCN, the fish crow is not so listed as " least concern " at risk.