To get food, daws change friends. But remain with a family

Daws throw old friends and get new if it helps them to receive food. However remain with a family, despite everything. Such conclusions were drawn by scientific universities Exeter and Bristol in new research. Experts set to wild daws the task in which access to tasty flour worms depended on that, to companies what individuals they came to feeding. "In this experiment we in a random way distributed daws on two groups — A or B — and programmed couple of automatic feeding troughs that they gave tasty flour worms only if to an individual from one group (AA or...