We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely ...

Researchers with a team monitoring bird populations at Powdermill Nature Reserve, in Rector, Pennsylvania, netted a surprise on September 24: a rose-breasted grosbeak with bizarre coloring.

Most animals, including humans, have bilateral symmetry, which means our bodies are pretty symmetrical. At least on the ...

Rarer yet is the bilateral gynandromorph, an animal that’s half him and half her, split at the midline. The phenomenon has been documented in birds, crustaceans—and butterflies.

Color vision in animals evolved about 500 million years ago, while colorful fruits appeared around 350 million years ago and colorful flowers about 200 million years ago, Wiens said. Weins said ...

Animals with bilateral symmetry, like humans, have bodies specialized to move in one direction — forward. Many animals with radial symmetry don't move or do so slowly.

While you might have had to cancel your safari trip this year, you can still escape into the wild with Apple TV+'s new docuseries Earth at Night in Color.Filmed on six continents, as far afield as ...