It was after midnight in Quito when Stella de la Torre came for me, waiting under a streetlamp next to the black minivan that ...

Everyone needs a best friend in life and from the look of it, Ninita the pygmy marmoset has found hers in the form of a toothbrush. Watching the tiny monkey bliss out as her caretakers massage her fur ...

When it comes to primate species from across the globe, they don't get much cuter than the pygmy marmosets of the Amazon Rainforest, aka the smallest species of monkeys in the world. These little ...

Weighing less than an apple, pygmy marmosets are the tiniest monkeys on earth. They have the ability to leap over 30 times their body length across the treetops in the Amazon jungle. (wildlife ...

Vienna Zoo welcomed a newborn pygmy marmoset, one of the world’s smallest primates. Born in April, the ape weighs only 15 grams and stands at a mere 5 centimeters tall. For reference, a full-grown ...

Common marmosets, Callithrix jacchus, are vocal little monkeys from South America with a hearing range similar to that of humans. And like us, it appears these New World primates can perceive pitch.