A 29-year-old Sumatran Orangutan female Bini holds her 10-week-old baby Bulan in her arms at the Berlin Zoo.
- [Michael Kappeler/AFP/Getty Images]

'Tommy' a 20 year old leatherback turtle is measured prior to entering the tank at Sydney Aquarium. The leatherback weighing 177kg was transported to the aquarium after outgrowing his current habitat, requiring five aquarists to assist in his launch. Leatherback turtles are on the IUCN's Red List of endangered animals.
- [Cameron Spencer/AFP/Getty Images]

A three-month-old male Dhole pup named Nicolai is seen at the San Diego Zoo. Nicolai is the first dhole ever to be born as part of the park's breeding program at the San Diego Zoo's Wild Animal Park. The dhole is an endangered species in the United States.
- [Ken Bohn/AFP/Getty Images]

Sumatran tiger Jumilah plays with one of her cubs on display at Taronga Zoo in Sydney, Australia.
- [Mark Kolbe/AFP/Getty Images]

A one-month-old baby snow leopard (Panthera uncia) peeks at visitors at the Parc des Felins, a wildlife park located in Nesles, France. This park is dedicated to the preservation of endangered cats, including the snow leopard, a critically endangered species.
- [Catherine Gugelmann/AFP/Getty Images]

A giant manta ray, which has a heart-shaped pattern on its back, swims in a large fish tank at the Aqua Stadium aquarium in Tokyo. The giant manta is an endagered species.
- [Yoshikazu Tsuno/AFP/Getty Images]

A newly-born black rhinoceros baby named 'Kiwidi' lays next to its mother 'Nane' at the zoo in the western German city of Krefeld. The Western Black Rhino has been declared extinct.
- [Horst Ossinger/AFP/Getty Images]

A baby Panda is seen at the Chengdu Research Base of Giant Panda Breeding in Chengdu, China.
- [Ian Walton/AFP/Getty Images]

A young wolves grins at the Wolfcenter in Doerverden, Germany.
- [Ingo Wagner/AFP/Getty Images]