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Phalacrocorax carbo, Kormoran, Cormorant The Great Cormorant (Phalacrocorax carbo), known in Australia as the Black Cormorant, is a widespread member of the cormorant family of seabirds. It breeds in much of the Old World and the Atlantic coast of North America.The Great Cormorant is a large black bird, 77-94 cm in length with a 121-149 cm wingspan. It has a longish tail and yellow throat-patch. Adults have white thigh patches in the breeding season. In European waters it can be distinguished from the Common Shag by its larger size, heavier build, thicker bill, lack of a crest and plumage without any green tinge....The Great Cormorant breeds mainly on coasts, nesting on cliffs or in trees (which are eventually killed by the droppings), but also increasingly inland. 3-4 eggs are laid in a nest of seaweed or twigs.
The Great Cormorant can dive to considerable depths, but often feeds in shallow water. It frequently brings prey to the surface. A wide variety of fish are taken: cormorants are often noticed eating eels, but this may reflect the considerable time taken to subdue an eel and position it for swallowing, rather than any dominance of eels in the diet. In UK waters, dive times of 20-30 seconds are common, with a recovery time on the surface around a third of dive time.
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