Deep in the forests of Mexico’s Yucatan Peninsula, a story of animal intelligence and social cooperation has unfolded over ...

The study describes the mechanisms of communication employed by the individuals of a captive colony of Ateles fusciceps robustus studied by the author for some ten years. The signal system is compared ...

New study from Hebrew University reveals that marmoset monkeys use specific calls, known as "phee-calls," to name each other, a behavior previously known to exist only in humans, dolphins, and ...