Rodents and other small animals abound. At night the forest comes alive. Millions of insects fill the air. Moths suck nectar from flowers, bats fly out of their nesting place to feed. Also found here are several species of shrimp and fish.
Snakes are rare.
The Puerto Rican Boa, which can reach a length of 90 inches, can be found. El Yunque is a small rain forest and there are no large primates such as gorillas or monkeys. There are no wild pigs or alligators. The Puerto Rican parrot is a small amazon parrot, about 11 inches in length and weighing about 10 ounces. Its tail is a short and squared-off, as opposed to the long, pointed tail of a parakeet.