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.
Red eyed tree frogs. Green tree frogs and barking tree frogs. Red eyed tree frogs, green tree frogs and barking tree frogs are very similar and like many other tree frogs. The name implies of course that these frogs live in trees which they do.They are also referred to as leaf frogs because more specifically, they sit and sleep on the leaves of the trees.he green tree frog and the barking tree frog are more diurnal and will eat, bathe and jump around during the day. Green tree frogs and barking tee frogs sound like small barking dogs which is why the barking tree frog is so named.