This spring also ushers in a new season at the Zoo’s Gift Shop, which has undergone a full transformation featuring expanded offerings and a variety of sustainable merchandise including hoodies, ...

A brief warm-up period (i.e., introducing two plush animals to the infant, similar to the ones used in the in-group preference task) was included at the beginning of the session to familiarize infants ...

Both chimps were still under the age of 2; during eight-hour shifts, we imitated chimp vocalizations and gestures and tried to give them some semblance of what they would have gotten from their ...

ST. LOUIS — Tonia Haddix, the Missouri woman widely known from the viral HBO documentary "Chimp Crazy," was back in federal court Friday morning—just 11 days after pleading guilty to three ...

Part of what's novel: females. "Right off the bat, they were just enamored with the ladies in the group," says Rana Smith, the president and CEO of Chimp Haven in Louisiana, the federal sanctuary ...

Part of what's novel: females. "Right off the bat, they were just enamored with the ladies in the group," says Rana Smith, the president and CEO of Chimp Haven in Louisiana, the federal sanctuary for ...