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Red howler monkey (Alouatta seniculus)        Images © Mark A. Chappell

The red howler monkey, or Venezuelan red howler, is a common and extremely noticeable primate from northern South America (mainly Colombia, but also Venezuela, Ecuador, Peru, and Brazil).  Like all howler monkeys, the live in small groups which -- especially in the morning -- produce dramatically loud roaring calls as a territorial display.   This can be a bit scary if you don't know the origin, but these monkeys are slow-moving inoffensive leaf-eaters that spend most of their time high in the canopy.  These were in the Central Andes of Colombia.   They were not easy to photograph well because of the unavoidable up-angle and strong backlight, but flash helped.

  • Canon 7DII; 800 mm IS lens, fill-in flash (2016)