Who are they?
Seabirds are a group of birds united by their reliance on the marine environment for all or at least most of their nutritional requirements. The Great Barrier Reef Region supports breeding populations of 22 species of seabirds.
Plumage generally monochromatic
Salt excretion glands
Webbed, or partially webbed feet
Little or no sexual dimorphism
Delayed sexual maturity
Large foraging areas