The Pygmy Marmoset (Cebuella pygmaea), Yarapa River, Amazonas, Peru

The Pygmy Marmoset (Cebuella pygmaea), also known as Dwarf Monkey is a monkey native to the rainforest canopies of the Western Amazon. It is one of the smallest primates, and the smallest monkey, with its body length ranging from 14-to-16-centimetre excluding the 15-to-20-centimetre tail. Males weigh around 140 grams, and females only 120 grams.

The Pygmy Marmoset has a tawny coat, and a ringed tail. It is omnivorous, feeding on fruit, leaves, insects, and sometimes even small reptiles. Its small weight allows it to reach the very highest leaves of a tree, and to exploit the otherwise little-used food sources there. Much of its diet, however, comes from tapping trees for sap. The Pygmy Marmoset has specialized incisors for gouging holes in bark. Because of its small size, and its swift movements, it is very hard to observe in the wild.

The Pygmy Marmoset uses special types of communication to give alerts and warning to its family members. These include chemical, vocal, and physical types of communication. A trill to communicate over long distance. A sharp warning whistle and a clicking sound for signaling danger to their family members.

The smallest primate in the world: Pygmy Marmoset (Cebuella pygmaea)

The smallest primate in the world: Pygmy Marmoset (Cebuella pygmaea)

Over a period of one week I saw two families, but only once within shooting distance and always high up in the canopy. As you can see they are on constant look out for birds of prey. They are absolutely adorable to watch, but very flighty in the canopy, so a 600 mm lens and a bit of luck is necessary.
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