The red-handed tamarin's body measures 20.5–28 centimeters (8.1–11 in); including the tail they measure 31–44 centimeters (12–17 in). They weigh 400–550 grams (0.88–1.2 lb). Their life expectancy is approximately 10 years in the wild and 16 years in captivity. The tamarin's diet consists of fruit, flowers, insects, frogs, spiders, lizards, and nectar. Their natural predators are small cats, birds of prey, and snakes. (information from Wikipedia)
These tamarins were spotted at Dallas World Aquarium, and the final shot shows the huge palm tree they were in. It's at least 30 feet tall! You can see the tamarins on the upper-right frond.