Scientists on Panama's Jicarón Island were mystified by photos and videos of young male capuchins carrying howler monkeys on their backs for days at a time ...

Observations of Coiba's tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the ...

The Philadelphia Zoo has announced the hatching of three critically endangered Western Santa Cruz Galapagos tortoises, adding ...

The Philadelphia Zoo welcomed three new additions after a group of male Western Santa Cruz Galapagos tortoises hatched.