Single birds and flocks in coastal waters, roosting on offshore islands.
Cape Cormorant make no sound.
During the breeding period from September to February, Cape Cormorant are a uniform black. Making their nests from seaweed and sticks. Eggs number 2 - 3 and are chalky white.
Immatures are dusky brown and paler on the belly.
Breeding adult Cape Cormorants told by entirely glossy green-black plumage, head without crest, orange-yellow bill-base; the eyes are greenish. Fairly long neck, sleek head, often with a small crest.
Common or abundant resident.
Winter visitor to Natal coast. Abundant and resident along the entire south-western Cape coast and up to 50 kms out to sea.