All birds are fascinating but there is no doubt that some types are remarkably clever, puzzle-solving machines. Here are some ...

But did you know they are some of the smartest birds? They are closely related to the crows and ravens. They form a complex social system, with families staying together over long periods of time.

Crows can recognize faces, make their own tools, and understand complex subjects - and we're only beginning to understand everything that they can do.

This article was written by one of our Young Reporters, a scheme that gives 14 to 18-year-old school students a chance to write for a real newspaper. Find out more at the Young Reporter website.

Don't believe that ravens are the smartest birds? Just watch this video with the Tower of London's Ravenmaster. Just one month till we're playing in London! The Ravens beat the Titans, 24-16 ...

and their later relatives (birds). Troodon had a large brain for its relatively small size and was probably among the smartest dinosaurs. Its brain is proportionally larger than those found in ...