| Great cormorant | |
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| Species: | P. carbo |
| Binomial name | |
| Phalacrocorax carbo (Linnaeus, 1758) | |


The great cormorant (Phalacrocorax carbo), is a member of the cormorant family of seabirds. It is a large black bird which breeds in much of the Old World and the Atlantic coast of North America. There is a lot of variation in its size in different parts of the world.Weight is reported to vary from 1.5 kg (3.3 lb) to 5.3 kg (12 lb).