[Related: Abandoned Pacific walrus calf rescued in Alaska.] “I noticed that some fossil walrus mandibles differed from what was previously known,” Boisville, now a PhD and paleontologist at the ...

Although an extinct animal was from a different group of marine mammals, an examination of fossils showed it evolved a way of eating that was very similar to that of modern walruses. By Asher Elbein ...

In 2008, the World Wildlife Foundation and Marine Mammal Council made Nov. 24 Walrus Day. This day is to help raise awareness to these magnificent mammals and their declining numbers. These massive ...

A new discovery by a team of paleontologists, led by Dr. Mathieu Boisville (University of Tsukuba, Japan), has uncovered a new species of the extinct genus Ontocetus from the Lower Pleistocene ...

An extinct species of walrus was unearthed in Santa Cruz County, providing a unique window into a time when California was teeming with odd creatures that feel closer to fantasy than reality, ...

In celebration of World Walrus Day, National Museum of Natural History director Kirk Johnson talks about his new documentary on the saber-toothed seals Jack Tamisiea As a paleobotanist, Kirk Johnson’s ...

This photo provided by the United States Geological Survey shows a female Pacific walrus resting, Sept. 19, 2013 in Point Lay, Alaska. (Ryan Kingsbery/U.S. Geological Survey via AP) COPENHAGEN, ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...