A Great Cormorant Large Black Water Bird, Standing On Stump. Waiting For Next Catching Fish. Royalty-Free Stock Photo

The great cormorant is a large black bird, but there is a wide variation in size in the species wide range. Males are typically larger and heavier than females. This is a very common and widespread bird species. It feeds on the sea, in estuaries, and on freshwater lakes and rivers. Northern birds migrate south and winter along any coast that is well-supplied with fish.