When hummingbirds make decisions regarding food, evading predators or choosing a mate, they're influenced by the diverse colors they can see that are invisible to human eyes, according to a new study.

Human color vision depends on three types of cones—special cells sensitive to red, blue, or green light. However, many birds, reptiles, and fish have an additional kind of cone that can pick up ...

What Does a Violet-Crowned Hummingbird Look Like? Both male and female violet-crowned hummingbirds measure about 4 inches with snowy white underparts. No other U.S. hummingbird shares the starkly ...

As a species, we humans are quite taken with our intelligence and supposedly expanded awareness compared to other living creatures. In reality, we don’t see nearly as much. Hummingbirds, for instance, ...

The phrase “every color of the rainbow” isn’t quite as all-encompassing as it sounds. For one thing, the color chips in your hardware store’s paint aisle host some colors you’ll be hard-pressed to ...