Most birders use the terms nape and hindneck interchangeably, but there are differences between the two and how these different parts of a bird are classified. In general, the nape is a shorter section of the back of the neck, just below the crown.
They are arboreal creatures, spending most of their time in the treetops foraging for food, and rarely descend to the forest floor. Howler monkeys are the largest of all New World monkeys and have a lifespan of seven to fifteen years. Habitat: Mantled howler monkeys can be found in the canopies of both lowland and montane rainforests. They are commonly heard long before they are seen searching for leaves in the treetops. A troop of howler monkeys usually consists of eight to twelve females, three or four dominant males and several young.
Monkeys are found naturally in the jungles and forests of the Southern Hemisphere. There are two ways to classify a monkey, the old world monkey (Asia and Africa) and the new world monkey (South America). There are around 260 known species of monkey worldwide ranging from chimpanzees to the tiny pygmy marmoset.owler monkeys are the loudest species of monkey with the howler monkeys howl being heard as far as 10 miles away. Monkeys use different noises, facial expressions and body movements to communicate with one another, with the monkey grinning being a sign of aggression.