river dolphin

(Newser) - The discoverers of a brand new dolphin species didn't even have to leave the office to make their find, UPI reports. Smithsonian curator Nicholas Pyenson and researcher Alexandra Boersma were presumably going about their business when—in Boersma's words—"this beautiful little skull from Alaska" jumped out...

(Newser) - Nearly 25% of the world’s mammal species face extinction, the Guardian reports, and 3% are critically endangered. The stark conclusion, based on research conducted over 5 years in 130 countries, paints an especially bleak picture for marine mammals, the highly regarded Red List says. "We are threatening the...

(Newser) - Calling it a "shocking tragedy," a team of marine scientists have declared the Yangtze river dolphin "likely extinct" after their failure to find a single animal in a recent research expedition. The scientists blamed massive over fishing along the Yangtze as the primary cause of the species'...