The behavior was even observed in birds on Floreana Island, which has only 10 cars — showing that it doesn't take much noise pollution to seriously affect wildlife.

Watching birds in the garden, their reaction times and alertness suggest that their brain processing speed is quicker than ours. Is this correct? Simon Potier Foucrainville, France In general, the ...

Researchers tried to attach tracking devices to magpies for a study. But the magpies helped each other to remove them — a possible sign, the scientists say, of altruism in the birds.