The Double-crested Cormorant is a large waterbird with a stocky body, long neck, medium-sized tail, webbed feet and a medium sized hooked bill. It has a body length of between 70 to 90 cm (28 to 35 in) long, with a wingspan of 114 to 123 cm (45 to 48 in).Double-crested Cormorants average between 1.2 to 2.5 kg.
Habitat and Distribution
It occurs along inland waterways (rivers, lakes) as well as in coastal areas, and is widely distributed across North America, from the Aleutian Islands in Alaska down to Florida and Mexico.
Like all cormorants, the double-crested cormorants dives to find its prey. It mainly eats fish, but will sometimes also eat amphibians and crustaceans. Fish are caught by diving under water. Smaller fish may be eaten while the bird is still beneath the surface but bigger prey is often brought to the surface before it is eaten
Breeding occurs in coastal areas as well as near inland rivers and lakes. They build stick nests in trees, on cliff edges, or on the ground on suitable islands. They are gregarious birds usually found in colonies, often with other aquatic birds.
Calls and Songs
They have a deep, guttural grunt call.