Throughout the animal kingdom, there are animals that form bonds that last a lifetime, showing loyalty and partnership that can be surprising to people. From birds to mammals, these creatures stick ...

Add Yahoo as a preferred source to see more of our stories on Google. Each Arctic wolf pack has a dominant female and male, who bond for life. You might expect that it would be more practical to keep ...

Musth is the hormonal state behind elephant attacks on rhinos, vehicles and people. A biologist explains what it does to a bull and why older males contain it.