Orangutan baby Awang walks past a Muscovy duck with its mother Farida in the compound at the Zoom Erlebniswelt zoo in Gelsenkirchen, Germany. (Roland Weihrauch / EPA)
A baby black rhinoceros, right, nudges its mother at the Leipzig, Germany, zoo on April 24. The youngster was born Sept. 14. (Jens Meyer / Associated Press)
A 10-day-old Patas monkey clutches its mother at the zoo in Olomouc, Czech Republic. (Radek Mica / AFP/Getty Images)
Zookeeper Brett Finlayson holds an 8-month-old southern hairy-nosed wombat named Sydney at Taronga Zoo in Sydney, Australia. (Paul Fahy / AFP/Getty Images)
A female jaguar born April 13 at Xantus Janos Zoo west of Budapest, Hungary. (Csaba Krizsan / EPA)
A baby kangaroo looks out from its mother’s pouch at the zoo in Erfurt, Germany, on April 22. (Jens Meyer / Associated Press)
Baby gorilla Jengo, left, yawns while lounging with adult Kumili, center, and daughter Diara at the zoo in Leipzig, Germany, on April 24. (Jens Meyer / Associated Press)
Baby giraffe Madiba stands next to other giraffes at the Tierpark Hagenbeck Zoo in Hamburg, Germany. The baby giraffe was born at the zoo on April 4, 2014. (Maja HituJ / AFP/Getty Images)
Ilias, a week-old baby camel, is tended by its mother at the Budapest Zoo and Botanic Garden in Hungary. Ilias was born April 8. (Attila Kisbenedek / AFP/Getty Images)
Three meerkat cubs cuddle with their parents at the zoo in Erfurt, Germany, in March. The meerkat babies were born Feb. 21. (Jens Meyer / Associated Press)
A 3-day-old female elephant takes one of her first trips out into the elephant enclosure with mother Califa in March at the Adventure Zoo in Hanover, Germany. (Holger Hollemann / EPA)
Young boars explore their enclosure at the Huelser Berg deer park in Krefeld, Germany, on March 14, 2014. Nine wild boar babies were born at the park at the end of February 2014. (Roland Weihrauch/AFP/Getty Images)
Twin polar bear cubs born in December cuddle with their mother, Giovanna, in March at Tierpark Hellabrunn in Munich, Germany. (Alexandra Beier / Getty Images)
