The Eurasian Jay (Garrulus glandarius) is a species of bird occurring over a vast region from Western Europe and north-west Africa to the Indian Subcontinent and further to the eastern seaboard of Asia and down into south-east Asia.
In a logic test, Eurasian jays quickly learned that adding stones to a cylinder half-filled with water would bring a tasty treat floating on the surface within reach of their beaks. In a second task the jays realised it was better to use pebbles, which si
types of eagles - Eagles are larger than buteo hawks, with some having wingspreads up to metres feet). Wide color variation in each species of hawk and eagle often makes identification difficult. Juvenile plumages often differ from those of adults.