Squirrel monkeys are becoming an important symbol for wildlife in Costa Rica. They delight researchers who study them, and weighing in at just one and a half pounds, with beautiful orange fur and ...

because these squirrel monkeys are anywhere from 8.8- to 11.6-inches big though their tails can add 14-18 inches to their tiny frames. When you go to Costa Rica, you probably want to see sloths.