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.
This is a red-eye tree frog. At night they feed on crickets, moths and other insects. Their red eyes may seem conspicuous, but when these frogs press themselves against a leaf and shut their eyes, they become very hard to spot!