BTO: Blackbirds in Gardens survey ( www.bto.org )
Help us find out how Blackbirds are doing in your garden and understand why they are declining in some areas....
Help us find out how Blackbirds are doing in your garden and understand why they are declining in some areas....
Birdwatchers across the UK are being asked to get out and count gulls this autumn, as the British Trust for Ornithology (BTO) continues to monitor populations of these characterful, if sometimes controversial, birds....