Identifying Cormorant and Shag
A black, reptilian-looking bird swims by low to the water - but is it a Cormorant or a Shag? Cormorants are more familiar and wide-spread, although Shags are more numerous. Let us help you to separate these two similar-looking species of water bird.
BTO bird identification videos are supported by Natureguides
Natureguides kindly provide species video clips for our bird identification videos.
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.