Despite their name, black desert cobras are not a sand-dwelling species, meaning they prefer to live in rocky and gravelly environments to create their burrows, according to the study.

The blindingly white sand in White Sands National Park is 98 percent gypsum. | Rachel Lense. Aside from black and white, there are also pink sands, like those on Elafonisi Beach in Crete, made of ...

But sand strikers can get much bigger than anything you’re likely to see at the shore. These consummate ambush predators range from just a few inches to nearly 10 feet in length, and they’re ...