Reading and vocabulary. Howler Monkey

Howler monkeys are the loudest of all monkeys. They call to let others know where their territory is, alerting them to stay away. The calls sound like a loud whooping bark or roar. After one group of howlers call, another group answers. Howler monkeys usually do this in the morning and at the end of the day.

      [This, These] monkeys live in Central and South America.    [At, In] home in the forest, they             [never, hardly ever] leave the treetops. They don't move very far each day, feeding leisurely at the very top     [of, off] the forest canopy. Howlers mainly eat         [leafs, leaves], as well as fruits, nuts, and flowers. Howler monkeys get almost all the water they need from the food they      [eat, eats]. One of the few times they can be spotted on the ground, however, is during very dry spells when they need         [find, to find] extra water.

Howler monkeys have prehensile       , or tails that can grip. The monkeys use their tails as a fifth      to grip          . Mostly it uses its tail to help grip branches as it eats and moves around high in the       . Each family group is generally made up of 15 to 20 howlers. The leader is usually an old male. The head and body of adult howler monkeys range from 22 to 36 inches (55.8 to 91.4 centimeters) long and their tail can add 23 to 36 inches (58.4 to 91.4 centimeters).

Though most         are classified as least concern, the Yucatán Black is            .