Wilson's Storm-Petrel
NameWilson's Storm-Petrel
Common NameWilson's Storm-Petrel
Scientific NameOceanites oceanicus
FamilyOceanitidae
Wingspan (cm)40
Length (cm)17
Weight (g)37.5
Plumage DetailsThe plumage is predominantly sooty black, with a prominent white rump patch that extends onto the flanks. A pale diagonal bar is visible on the upperwing coverts, especially in flight. Its long black legs with yellow webs often trail beyond the tail.
Vocalization / CallGenerally silent at sea, but near breeding colonies or when disturbed, it produces soft, purring, chattering, or squeaking calls.
Primary Dietcarnivore
Primary Habitatscoastal
Conservation Statusleast-concern
Geographic RangeBreeds on Antarctic coasts and sub-Antarctic islands. During the non-breeding season, it undertakes extensive migrations, spreading across the Atlantic, Pacific, and Indian Oceans, reaching as far north as the Arctic Circle.
Identifying FeaturesSmall, dark seabird with a prominent white rump, Pale diagonal wing bar on upperwing, Long black legs with yellow webs, often trailing beyond the tail, Fluttering flight, often 'walking' on water
Description
The Wilson's Storm-Petrel is a small, dark seabird known for its distinctive white rump and fluttering flight over the open ocean. It often appears to 'walk' on the water's surface while foraging for small marine organisms.
