One of the most majestic birds in the animal kingdom, the scarlet macaw is drenched in hues of red, yellow, and Tuscan blue.

Some may have dull red mixed in the plumage or may lack orange tones, resembling quite closely immature female scarlet tanagers. First-year male: mixture of red and greenish yellow, sometimes ...

Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators ... role in thwarting predators. Many of the animals that eat red-eyed tree frogs are ...