Bolivian gray titi monkeys are known for twining their tails together with members of their group, exhibiting social bonding.
Bolivia, Paraguay, and Brazil
Between 1.8 and 2.6 pounds
Length: 11-17 inches
Fruits, leaves, insects, bird eggs and small vertebrates
Guianan crested eagles, ornate hawk eagles, wild jungle cats, tree-dwelling snakes
18 week gestation. The father is the primary caretaker.
Deforestation and habitat loss due to agriculture
About 25 years in human care.