These gorgeous, long-tailed marine creatures—formerly known as Siamese fighting fish—have been famous for centuries for their aggressive nature, which breeders have exploited in order to fight them, ...

From the striking rainbow colors of parrots in the rainforest to the brilliant flashes of yellows, oranges and blues in coral reefs, vibrantly colorful wildlife abounds in tropical ecosystems. But ...

Toxic or poisonous animals, like frogs, have long presented an evolutionary dilemma: How did they become so bright, without predators spotting and devouring them? Poison frogs across Central and South ...

Some of the world’s most spectacularly colorful animals are amphibians — especially frogs and salamanders. Many of these colorful animals are toxic or have developed some sort of chemical defense, and ...

Birds are some of the brightest and most colorful animals on Earth. The blues, reds, greens, purples and yellows of the avian world are rivaled, among vertebrates, only by the brilliant colors and ...

This article was originally featured on The Conversation. Patterns on animal skin, such as zebra stripes and poison frog color patches, serve various biological functions, including temperature ...