Among vertebrates few animals rival poison dart frogs for their vibrant electric blue, yellow, red and orange skin colors. Some experts have long believed these pigments serve as a visual warning for hungry birds, snakes...
The loud love calls of tiny túngara frogs (Physalaemus pustulosus) that reverberate through the nighttime jungles of Panama are bold advertisements for a suitable mate. But in singing, the frogs are taking a risk. Somewhere...
For the first time in its history, the National Zoo has bred strawberry dart frogs (Oophaga pumilio), which are known primarily for their vibrant colors and poisonous skin. These frogs also stand out among others because of their dedication to their young as they undergo metamorphosis from egg to tadpole to frog.
Science Spotlight
