Northern muriquis, which live in the Atlantic forest of Brazil, are one of the most endangered species of monkey in the world. To better understand what goes on in the mating lives of muriquis, ...

When it comes to the animal kingdom, bigger is better, at least for proboscis monkeys, famously known for their long, large and droopy noses. The researchers examined the bony nasal cavity inside the ...

An evolutionary biologist at The University of Texas at Arlington is studying seasonal weight gain in male squirrel monkeys to determine its relationship to the species’ potential to sire offspring.

When it comes to the animal kingdom, bigger is better. Well, at least for proboscis monkeys, famously known for their long, large and droopy noses. Researchers have provided a world-first explanation ...

A northern muriquis sits on a branch in the sunlight. Strier and her team have spent years documenting the unique colorings and patterns of the monkeys' faces to be able to identify each individual.

Northern muriquis, which live in the Atlantic forest of Brazil, are one of the most endangered species of monkey in the world. Choosing good mates and rearing thriving offspring are key to the species ...