MORE: Hola, Olinguito! The Smithsonian Discovers a New Mammal
21st Century Sloths and Other New Mammals
The recently discovered Olinguito is in good company—meet a leopard, a dolphin, a woolly rat and some warm-blooded creatures who debuted in the last few years.
Isabel Beasley / James Cook University / AP
Snubfin Dolphin, Austrailia, 2005.
