A critically endangered Western lowland gorilla, named "Oscar Jonesy," died on Thursday afternoon following a medical procedure at 43 years old, according to the San Francisco Zoo.

Officials at the San Francisco Zoo on Friday confirmed that their 43-year-old endangered Western lowland gorilla named "Oscar Jonesy" died after a medical procedure on Thursday afternoon.

Visitors to Omaha’s Henry Doorly Zoo and Aquarium were surprised and amused to get the one-finger salute from one of the exhibit’s gorillas. In the video above, the gorilla walks up to the ...

SAN FRANCISCO -- San Francisco Zoo & Gardens is mourning Oscar Jonesy, its beloved 43-year-old lowland gorilla and leader of the zoo's gorilla troop, who died unexpectedly Thursday after a medical ...

Animal rights advocates criticized the San Francisco Zoo Friday after officials disclosed the death of its only male gorilla after a medical procedure. Three advocacy groups, In Defense of Animals ...

(May Woon/SF Zoo via Bay City News) Animal rights advocates criticized the San Francisco Zoo on Friday after officials disclosed the death of its only male gorilla after a medical procedure. Three ...

He was the third-oldest male of his species living in a U.S. zoo. The average lifespan of Western lowland gorillas is 30 to 40 years in the wild. "We are heartbroken by the loss of Oscar," Zoo CEO ...