Chimpanzees are well known for their extraordinary diversity of behaviors—including using tools for hunting or digging, cracking nuts with stones and using moss as a water-drawing sponge—with some behaviors also exhibiting cultural variation.

A 5-day-old giraffe calf at the San Diego Zoo Safari Park is receiving specialized care at the Safari Park’s Paul Harter Veterinary Medical Center. The male calf, born Sunday, Jan. 27, 2019, was observed having difficulty nursing from his mother.