Legs and feet are slate blue, with yellow to white webs. The tail is shallowly notched. In 1984, about 7,500 breeding pairs nested on Sand and Eastern Islands, the largest population in the Northwestern Hawaiian Islands. The White Tern is the smallest tern species found at Midway Atoll. Breed throughout tropical and subtropical Pacific, Indian, and South Atlantic Oceans.
Feeds alone are in mixed species flocks.
Dives down to surface for prey, but does not submerge. This bird carries prey crosswise in its bill. Breeding Breeding begins at age 3-5. Peak breeding activity takes placed in late spring and summer. No nest is built and a single speckled egg is laid on a small depression on a branch, roof or other surface.