Wild Things: Yawning Chimps, Humpback Whales and More…

Leaping beetles, Pacific salmon, prehistoric mammals and other news updates in wildlife research

Chimpanzee Yawning (Tim Davis / Corbis)

Saber-Toothed Vegetarian

(Juan Cisneros)
Paleontologists in Brazil have found the 260-million-year-old skull of a sheep-size therapsid, a distant relative of mammals. They named it Tiarajudens eccentricus. What made it “eccentric” was it had a pair of five-inch teeth despite being a plant-eater. Perhaps the fangs were used to scare predators or fight rivals.

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