Bullers Shearwater

Other Names: Gray-backed Shearwater, New Zealand Shearwater

Distribution: most of the central and eastern Pacific Ocean, north to Alaska and south to encircle New Zealand. Breeds exclusively on the Poor Knights Islands.

Bullers Shearwater distribution range map

Description:

Size: 46-47 cm in length with a 97-99 cm wingspan. Adults weigh 342-435 g.

Plumage: The upper back is bluish gray. A blackish stripe runs along the leading edge of the wings. The upper wing mantle is black also, but the two black areas do not meet at the hand; the area between them is light gray to white, creating a distinct diagonal stripe down the wing that is visible in flight. The underside is bright white on both the wings and main body. The tail is white at the base and black at the tip.

Species image
Bullers Shearwater

Bullers Shearwater

Bill Shape
hooked-seabird
Regions
alaska
british columbia
california
hawaii
new jersey
oregon
washington
Tail Shape
squared-tail
Wing Shape
pointed-wings
Habitat
coasts
Oceans
Color
gray
white
Body Shape
gull
Size
large
Order
albatross, petrel, shearwater, storm-diving petrel - procellariiformes
Conservation Status
Vulnerable
Bird Species