The 2-year-old had to have a toe amputated and reconstructive foot surgery after the altercation with another chimp.

A two-year-old chimpanzee at Sedgwick County Zoo is recovering after sustaining injuries during an altercation with her troop’s alpha male.

The zoo said 2-year-old Alizeti was injured during a scuffle with Moshi, her troop's alpha male, when she wouldn't come out ...

Adolescents are known for risky behavior, with teenagers in the U.S. more likely than younger children to die from injury.

Chimpanzees show physical risk taking peaks in infancy, not adolescence, highlighting the powerful role of supervision in ...