Canadaga arctica

† Canadaga arctica was a hesperornithiform bird from the Late Cretaceous of Arctic Canada. Hesperornithiformes were toothed, flightless diving birds that filled a niche analogous to modern loons and grebes. As a carnivore, it propelled itself underwater using powerful hind limbs to catch fish. Its Arctic provenance indicates that hesperornithiforms thrived in high-latitude Cretaceous seas, contributing to knowledge of polar palaeoenvironments when Arctic regions were ice-free and inhabited by ri