Gray has a reputation as a boring and drab color, but on the right dog, it can be exciting, fast, and cool. It can even look quite beautiful as it sparkles and shimmers in the sunlight. While many ...

Credit: flickr. Blending into bark and lichen aids the gray tree frog in avoiding predators by shifting its skin tone between green, brown, and grey based on temperature, light, and surface texture.

Dire wolves, with reddish fur, facing off against gray wolves. This image, made by artist Mauricio Anton in 2020, was done in consultation with researchers, who think it’s likely the animals had ...

For context, that's over twice as long as brown and polar bears are estimated to have been distinct species. Dire wolves are also large, typically the size of the largest gray wolf populations.

While eye color in humans is likely a result of sexual selection, and in domesticated animals a result of artificial selection, Tabin wondered what spurred the wide diversity in wild Felidae.

This tiny brown bat and 29 other animals were just added to N.J.’s endangered species list. Published: Jan. 10, 2025, 7:25 a.m. ... Gray comma — moved from unlisted to threatened.