They often call as the sun comes up and as it is going down. Decoding the Secrets of Howler Monkey Evolution WRITTEN BY: Anthony Bouchard There exist a bevy of ways that an animal species can be driven to evolve, but one of the more controversial methods of evolution involves a process known to scientists as reinforcement, which is when two entirely different species interbreed and form a hybrid-like result. A young male howler monkey in Tabasco, Mexico. Howler Monkey – Genus Alouatta Introduction.

Though it looks like a black howler monkey, this individual is likely a hybrid of two species, the black howler monkey and the mantled howler monkey. They call to let others know where their territory is, alerting them to stay away. Suborder: Haplorrhini: Infraorder: Simiiformes: Family: Atelidae: Subfamily: Alouattinae: Genus: Alouatta: Species: Alouatta belzebul (red-handed howler) Alouatta caraya (black-and-gold howler) Alouatta coibensis (Coiba Island howler) Alouatta guariba (red-and-black howler) Alouatta macconnelli (Guyanan red howler) Alouatta nigerrima (Amazon black howler) Alouatta palliata (mantled howler) A Howler Monkey refers to any of the 15 different species in the taxonomic genus Alouatta.Some of their closest relatives include the spider monkey, the woolly monkey, and the woolly spider monkey (we promise we didn’t make that up).. 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. As forests are cleared, howlers, who need several acres of forest per troop to survive, are becoming increasingly rare. These monkeys live in Central and South America. They also howl to warn of dangers. The Howler Monkey is a large type of New World Monkey.

Howler monkeys are the loudest of all monkeys. There name comes from the fact that they are louder than any other types of Monkeys. These primates get their name from their … The black howler monkey, known as the "baboon" in Belize, is endangered throughout much of its range due to hunting and habitat destruction.