Polytypic. Length 5.3". Black cap; white cheek; black bib; gray upperparts; greater coverts, secondaries, and tertials edged conspicuously white in fall and winter (less distinct in summer when ...

The black-capped petrel is a small seabird with long, black-framed wings that is also known as diablotin, or “little devil,” due to its eerie nighttime mating calls. These birds nest in the Caribbean ...