The Black-bellied Storm Petrel, Fregetta tropica, presents a striking contrast in its plumage. The majority of its feathers are a deep black, while a distinctive white band graces the rump. The underparts of the wings and flanks are also white, providing a stark contrast to the bird's darker tones. A notable feature is the broad black stripe that runs down the center of the belly, although this may sometimes be fragmented or entirely missing.
When observing the Black-bellied Storm Petrel in flight, one can discern its long legs trailing beyond the tail, a characteristic silhouette against the sky. The legs and feet of this species are a uniform black, which can aid in identification from a distance.
This seabird is a true child of the ocean, spending much of its life over the open sea. It is rarely seen on land, except during breeding seasons when it forms colonies on remote islands.
The Black-bellied Storm Petrel has a wide range, with sightings recorded from the icy shores of Antarctica to the warmer climes of Brazil and South Africa. Its distribution extends to various islands and coastal regions, including Australia, New Zealand, and the Falkland Islands.
At sea, the Black-bellied Storm Petrel is a solitary creature, often silent as it glides over the waves. However, the breeding colonies are a cacophony of sound, with birds emitting a drawn-out, shrill whistle while on the ground.
While mostly silent at sea, the Black-bellied Storm Petrel's vocalizations can be heard within the bustling activity of its breeding colonies, where it communicates with a prolonged, high-pitched whistle.
The Black-bellied Storm Petrel is currently classified as Least Concern by the IUCN, indicating that, for now, this species does not face an immediate threat of extinction in the wild.