The Oakland Zoo is celebrating the arrival of the newest member of its family, with a newborn red-tailed monkey marking a "milestone," the first birth of a guenon species at the zoo, officials said.

(NEW YORK) — Conservationists said they have obtained the first-ever video of a baby spider monkey birth in the wild as the critically endangered species struggles to repopulate amid continued habitat ...

During a 10-year span, a team of primatologists witnessed 15 daytime births in wild gelada monkeys residing in the grasslands of high-altitude Ethiopia. It's unusual to witness daytime births. Most ...

LOUISVILLE, Ky. (WDRB) -- The Louisville Zoo is celebrating its first-ever colobus monkey birth. Ate, who's 5 years old, gave birth to a healthy infant Sunday morning. The gender isn't known yet.