The Ollala Brothers’ titi (Plecturocebus olallae) is a marmoset species of New World Monkeys native to Bolivia.
- There are about 110 to 150 individuals in the wild. The Ollala brothers’ Titis are small monkeys averaging 333 mm in length.
- Males are slightly larger than females, weighing an average of 991 grams, while females weigh 909 grams.
- These titi monkeys have long tails that are non-prehensile. In addition, they have long hind legs with an intermembrane index of 75.
- The chest and abdomen of the Ollala brothers’ titi are entirely orange to orange-brown. At the same time, the dorsal surface and limbs range from gray to agouti.
- The tail can be black or gray, with white tufts on the ears.