Crows and ravens may look similar, but they have distinct differences. Ravens are larger with chunkier beaks, longer shaggy ...

Crows and ravens (and most birds of the corvid family) are brilliant creatures and make great pets. However, the U.S.

The robot’s developers believe a scaled-up version of the machine could be used in rescue missions and parcel deliveries in remote locations.

Here’s how it works. Researchers have unveiled a bird-shaped robot that can hop, walk and leap into flight just like a raven. The new machine, aptly called "Robotic Avian-inspired Vehicle for ...