Merck Manual

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Rhesus monkey ( Macaca mulatta )
Rhesus monkey ( Macaca mulatta )

Rhesus monkey (Macaca mulatta), Old World monkey common in research, zoological facilities, and the pet trade. Males may reach a length of 63 cm and weigh an average of 12 kg.

Courtesy of Dr. Kathleen Kendall.

In these topics
Nonhuman Primates