Those three creatures all have unique developments when it comes to teeth. The first part of the walrus’ scientific name (Odobenus rosmarus)translates to tooth-walking, since the creatures’ enlarged ...

The walrus has evolved a specialized feeding way that allows it to efficiently extract food from hard-shelled prey. Ontocetus had four post-canine teeth, a bigger lower canine, and a fused ...

With tusks like an elephant and the body of an overgrown seal, the Pacific walrus is one blubbery beast. This ungainly animal, often gathered en masse on rocky beaches or seen riding ice floes, dives ...