The crows, raven, and magpies that we discuss in Gifts of the Crow who leave shiny treasures for the people who feed them are simply doing the wild version of the rock exchange.

They build tools, recognize themselves in mirrors, and even seem to understand what others are thinking. Corvids have ...

B E L L E V U E, Wash., Nov. 15 -- — Years ago, school bus driver Phyllis Alverdes started feeding crows seeds and peanuts. The birds got to know her and her car so well that now a flock follows ...