Data from 120,000 birdwatchers in 48 countries shows forest birds have expanded their range while area occupied by farmland birds has shrunk. PHOTOGRAPH: KRZYSZTOF BARANOWSKI/GETTY IMAGES THIS STORY ORIGINALLY appeared in The Guardian and is part of the Climate Desk collaboration. Europe’s breeding bird populations have shifted on average 1 kilometer north every year for […]

Similar to the cortex of mammals, the nerve cells in certain areas of the brain of birds are organized in vertical layers and horizontal columns. Credit: RUB, Biopsychlogy Some birds can perform amazing cognitive feats – even though their forebrains seem to just consist of lumps of grey cells, while […]