To know what a tropical bird is, you first have to know where the tropics are. The tropics form a band around the equator ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

Wild orcas on more than 30 occasions in four oceans have attempted to share their prey with people, potentially to develop ...

These people may have been inspired by animals they observed in nature, where there are many birds with mohawks that rival ...