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Characteristics and Evolution of Primates
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Howler monkey
The howler monkey, a member of the Platyrrhini, is native to Central and South America. It makes a call that sounds like a lion roaring.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, The Evolution of Primates. October 17, 2013."
http://cnx.org/content/m44696/latest/Figure_29_07_01.jpg
OpenStax CNX
CC BY 3.0.