Numbat populations once dropped as low as 500 adults. To help save this endangered marsupial, the Perth Zoo has been rearing them in captivity for release back into the wild. But wild numbats eat only termites, which are too difficult to get in large quantities. So zoo staff have spent over a decade concocting a tasty and nutritious substitute.
Helenabella via Wikimedia Commons
Sir David Attenborough at the Beijing Museum of Natural History with fossil of Juramaia, as featured in the Smithsonian Channel series Rise of Animals: Triumph of the Vertebrates.
Courtesy Smithsonian Channel
Cholita, an Andean bear, was abused in a circus in Peru and is now in a small zoo. An animal welfare group has now received permission to take Cholita to a wildlife sanctuary in Colorado, along with more than 30 former circus lions.
Courtesy of Animal Defenders International
This black bear was spotted atop a tree in Tampa, Fla., on May 17, 2013. The bear population has been on the rise, so state wildlife officials are calling for a bear hunting season.
Skip O'Rourke /MCT /Landov