A fresh rub on a winged elm seen in a flashlight (left), 365 nm UV light (center), and 395 nm UV light. The ability to spot rubs and scrapes is an acquired skill. They may be invisible to rookie ...
When a predator like a lion walks through the grasslands, it makes its presence known by roaring, which can be heard miles away. Since the lion is at the top of the food chain, it doesn’t particularly ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Animals see the world around them in ways that we humans can only ...
Researchers at the University of Georgia have discovered that white-tailed deer leave behind glowing marks in the forest that are completely invisible to the human eye. Scrapes in the soil and rubs on ...