Identifying adult black-backed gulls
On paper Lesser and Great Black-backed Gulls are straightforward to separate but, in reality, many of us struggle - especially as the light conditions can alter their colour and size is not always apparent. Watch our video to tell these two species apart, as well as differentiate them from Herring Gull.
BTO bird identification videos are supported by Natureguides
Natureguides kindly provide species video clips for our bird identification videos.
BTO & Lincolnshire Bird Club Conference 2021
This year the BTO & Lincolnshire Bird Club conference is going virtual with an afternoon of talks you can watch from the comfort of your home for just £5. The conference will be held online using Zoom. 15.00...
Our volunteers: the beating heart of BTO data
Head and Principal Ecologist, David Noble, shares why volunteer-collected data are so important for an organisation like BTO.