Researchers used the environmental circumstances and fecal samples collected from the six years prior to the severe El Ni o drought in Costa Rica to study the relationship between the endocrinologic ...

while the Peruvian yellow-tailed woolly monkey has longer, softer fur the color of dark chocolate with a distinctive yellow stripe on the underside of its tail and white hairs around the mouth.

As we mentioned earlier, most monkey species have an omnivorous diet, although they often tilt towards the herbivorous side.