The Washington Gap Analysis Project created breeding bird maps only. The non-breeding birds (e.g., wintering, pelagic (coastal), and birds expanding their ranges) are represented only by NatureMapping sightings.
NatureMapping observations reported by townships throughout the year.
This North Pacific seabird winters at sea along Alaska and British Columbia but breeds along the outer Alaska coast. It is an irregular straggler along the west coast to southern California, mainly in late spring.Text edited by Gussie Litwer