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 ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Ever wish you had a secret code that you ...

Humans and most other mammals cannot see ultraviolet (UV) light, whereas some rodents can. A Chilean-German research team has now reported UV vision in the South-American degu, a distant relative of ...

The ability of finches, sparrows, and many other birds to see a visual world hidden to us is explained in a study published in the journal eLife. Birds can be divided into those that can see ...

Almost everyone in the world knows about reindeer and Yuletide. These fascinating animals have been made popular through their association with Santa Claus, a mythical creature who uses them to fly ...