"There has been a lot of habitat degradation, so there is more light penetration, higher temperatures, and water scarcity. Above all, there has been an increase in the number of fires that damage the ...

COMALCALCO — Threatened howler monkeys have been dropping dead from trees in Mexico’s southeastern tropical forests in recent weeks amid a nationwide drought and heat waves that have sent temperatures ...

Mantled howler monkeys in Costa Rica are starting to appear with patches of yellow fur on their usually black coats. A team of scientists believes that the dappled monkeys are consuming ...

For male howler monkeys on the search for a mate, size matters; but being a well-endowed monkey comes at a price. The results of a new study show that in some species of howler monkeys the larger a ...

ANN ARBOR--A new University of Michigan study of interbreeding between two species of howler monkeys in Mexico is yielding insights into the forces that drive the evolution of new species. How do new ...

Deforestation is changing the way monkeys communicate in their natural habitat, according to a new study. This study offers the first evidence in animal communication scholarship of differences in ...

COMALCALCO, Mexico — Threatened howler monkeys have been dropping dead from trees in Mexico’s southeastern tropical forests in recent weeks amid a nationwide drought and heat waves that have sent ...

A new study of interbreeding between two species of howler monkeys in Mexico is yielding insights into the forces that drive the evolution of new species. A new University of Michigan study of ...