Black-capped PetrelPterodroma hasitata
14-18" (36-46 cm). A long-winged, long-tailed petrel, dark above with black cap; white collar and rump (lacking in Manx and Audubon's shearwaters); white underparts. Viewed from below, wings have broad dark margins.
Usually silent at sea.
various calls at colony
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Open ocean, especially Gulf Stream waters.
Breeds on larger islands in West Indies; visits Gulf Stream, regularly as far north as Carolinas.
The critically endangered Black-capped Petrel is a little-known seabird that visits its Caribbean nesting colonies only at night,which are concentrated on a heavily deforested mountain in southern Haiti. The total population is small, amere handful drift northward along the Gulf Stream in summer and fall, after the breeding season. There they feed chiefly on squid, which they snatch from the surface of the water.
1 white egg in a burrow or rocky crevice on an isolated mountain ridge.