(Artwork by Mark Witton) (CN) — A bird from the late Cretaceous period, which resembles something of a buck-toothed toucan with a large scythe-like beak, has provided scientists new insights into the ...

Hesperornis was a large flightless bird that swam in the oceans and snared fish with a tooth-lined beak. Its small wings were held close in to the body and were of little use beyond possibly ...

Scientists identified it as a spade-toothed whale due to the shape of its skull, beak, and teeth. The species is so rare that no live sightings have ever been recorded. No one knows how many there ...