Corvids are famous for being the next smartest birds after parrots. Here is a science project where they learn different colours, and has to open lids to get food.
Habitat: old boreal forest.
Behaviour: opening lids.
Photo ID: eig0817
Photo size: 18.8 Mpixels (53.9 MB uncompressed) - 5315x3543 pixels (17.7x11.8 in / 45x30 cm at 300 ppi)