When orphaned baby sloths are hungry or adults lose their habitat, Yiscel Yángüez and Néstor Correa are on the case. Get a glimpse inside their animal rescue center in Gamboa, Panama, specializing in sloth rehabilitation and relocation. | National Geographic

Cheyenne Mountain Zoo is thrilled to announce the arrival of a New Year's baby: a Hoffmann's two-toed sloth. Some call sloth babies ‘pups,’ ‘infants,’ or even ‘slow-bies.’ Everyone can agree to call this wee one ‘adorable.’ With its dark brown eyes and a perfect pinkish-brown furless face, its cuteness is out of this world. The baby, born on Dec. 18, seems strong, and has been learning to traverse Mom’s tummy. While its mom, Aysan, hangs upside down, her baby sprawls right-side-up on her belly,