Two lactating African elephants—Umngani (pronounced OOM-gah-nee), who gave birth to a healthy female calf, Mkhaya or “Kaia”, on Sept. 26, 2018; and Ndulamitsi, known as Ndula, who gave birth to a healthy male calf, Umzuli-Zuli or “Zuli,” on Aug. 12, 2018—are participating in a nutritional study, allowing researchers to study the content of their milk.

Two 6-week-old cheetah cubs pounced, chased, wrestled and cuddled together at the Ione and Paul Harter Animal Care Center at the San Diego Zoo Safari Park earlier this morning (Friday, Jan. 11, 2019.)