Leach's storm-petrel Oceanodroma leucorhoa

Identification Tips:

Similar species:

Most likely to be confused with other storm petrels. Black, Ashy, and Least have dark rumps. Smaller Wilson's has a whiter rump, squared tail, yellow feet often protruding beyond tail, and a different flight style. Band-rumped has an undivided rump patch and slightly different flight style- more direct with shearwater-like glides.