A high-diversity primate community in a mid-elevation flooded forest, the Jungla de Los Monos Community Reserve, Peru.

The Alto Mayo region in the Peruvian department of San Martin has one of the highest levels of deforestation and fragmentation in the country. Historically, San Martin was home to at least 20 primate species, of which at least 14 persist in the Alto Mayo Valley. We surveyed primate populations in the "Jungla de Los Monos", a locally protected remnant of a naturally diverse primate community in one of the last remaining mid-elevation (800 m a.