Flying close to the waves, the Black-vented Shearwater's flight is more fluttery than that of other shearwaters. It feeds by snatching food from the waters surface and sometimes by diving. Its diet includes small fish and crustaceans.
Blackish-brown above. White underparts and wing linings. Underwings have a brown-black tailing edge. Brown-black undertail coverts. Black bill. Pink feet. Sexes similar. 12.5 to 15 inches in length.
Open ocean; pelagic.
1 white egg. The eggs have a 51 day incubation period. Fledging occurs in 69 days. The nest is a burrow or crevice. Nests in colonies.