Wilson s storm petrels can often be seen hovering near the water, or even walking on the water with their feet as they forage. They are a sooty color with a white rump patch and a square tail. Wilson s storm petrels often follow ships. Leach s storm petrel is similar to Wilson s storm petrel, except it has longer, more angled wings, and a forked tail. Unlike Wilson s storm petrels, leach s storm petrels do not tend to follow ships.
Shearwaters are gull-like birds which fly low over the ocean waves.
Their bills have tubelike external nostrils. The greater shearwater has a dark back and wings, with a white breast and belly. It has a dark cap on its head, light band across its nape, and a white rump patch. Cormorants may be confused with loons. They can be seen swimming and diving in the water, or standing on rocks or posts.