They dive and pursue their prey underwater. Most auks are black and white. LARGE AUKS are about the size of a duck and include puffins, murres, guillemots, and the rhinoceros auklet. Murre Colony ...

IT is often considered that the white plumage of gulls, terns, gannets, etc., in temperate climates is in contradiction to the principle of protective and adaptive coloration, and survives only ...