U.S. News has named a member of the Ivy League as the best national university in each of the past fifteen years ending with the 2015 rankings: Princeton eight times, Harvard twice and the two schools tied for first five times.
Frogs tend to be nocturnal because night is the best time for them to catch prey such as insects and worms. Nocturnal terrestrial frogs are often brown or gray with spotted backs, while nocturnal tree frogs are usually green. These camouflage colors keep them hidden from predators as they sleep during the day.
The red eyed tree frog spends its days on the underside of the leaves in the canopy of the rainforest. The rainforest canopy is the layer of trees that grow beneath the highest emergent layer and are protected more from the sun.he canopy also holds moisture and humidity underneath the leaves, making this the perfect home for the rainforest red eyed tree frog. There are many predators to the frog in the rainforest. Snakes, birds, bats, owls, spiders and small mammals are the primary enemies of the red eyed tree frog.