black bird, flying from the Pacific Ocean to the west up to its mountain breeding grounds. It’s a storm-petrel — and a new species. “Imagine that high up over one of the largest cities in ...

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 ...

Under cover of darkness, a new ashy storm petrel parent picks up small prey brought to the ocean's surface by the California current. Feeding and fledging of chicks is synchronized with the moon ...

For nearly 30 years, researchers have been banding black petrel fledglings before they make their maiden migration to Ecuador. Only a handful of birds have ever come back. Crouched on a steep ...

black bird, flying from the Pacific Ocean to the west up to its mountain breeding grounds. It’s a storm-petrel — and a new species. “Imagine that high up over one of the largest cities in ...