If optimists see the world through rose-colored lenses, some birds see it through ultraviolet ones. Avians have evolved ultraviolet vision quite a few times in history, a new study finds. Birds depend ...

Deer have long been framed as creatures of scent and sound, but new research suggests their forests are streaked with light that human eyes never see. Fresh urine, rubbed bark and scraped earth appear ...

Unlike us, many animals can see ultraviolet light. If you're using a video screen to study their visual perception, therefore, that screen really ought to work in the UV spectrum – and a new one does ...

Christmas Eve is all about imagining how Santa is zipping through a pitch-black Christmas Eve sky, snow swirling everywhere, ...

First, some basics: Vision depends on light, which comes in a spectrum of wavelengths, ranging from very long to very short. Vertebrate eyes have two kinds of light receptors in the retina at the back ...

If optimists see the world through rose-colored lenses, some birds see it through ultraviolet ones. Avians have evolved ultraviolet vision quite a few times in history, a new study finds. Birds depend ...

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Nov. 11 (UPI) --It's easy to get lost in a coral reef. To locate friends and family, anemonefish evolved the ability to see ultraviolet light. To better understand how anemonefish navigate the bright, ...

The reindeer is called caribou in North America but retains the name reindeer across Europe and Asia. However, when caribou are domesticated in North America, they are referred to as reindeer. What a ...

A bird’s-eye view can completely change your perspective on things. And I mean that literally. A pair of European researchers used a specially configured camera and took pictures of trees in order to ...

This is a preview. Log in through your library . Abstract Despite the biological importance of UV vision, its molecular bases are not well understood. Here, we present evidence that UV vision in ...

There are a lot of myths about reindeer, and at least one of them is true: They live in remote areas way up north that get a lot of snow. Living in that winter wonderland can be a challenge when your ...