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 ...

Locally known as ‘ua‘u for its haunting, nocturnal call, the bird is an attractive, large, dark gray-brown and white petrel, easily distinguished by its prominent black hood and striking white ...