Country diary: carrion crows become intensely territorial

Langstone, Hampshire: The most plausible explanation for this attack was resource competition, the crows asserting their dominance to ensure priority access to this prime feeding siteWith temperatures plummeting over the past few days, the birds and mammals visiting my garden have begun to forage with increased urgency. Grey squirrels are active before dawn, and I wake to the rhythmic sound of the lid of the squirrel feeder creaking open and snapping shut as they take it in turns to pluck out a