Identifying Iceland Gull and Glaucous Gull
The latest identification video tackles the difficult pair of gulls, Iceland and Glaucous. March is one of the best months of the year to catch up with wandering gulls as they make their way back to their summer haunts.
BTO bird identification videos are supported by Natureguides
Natureguides kindly provide species video clips for our bird identification videos.
Making the most of BirdTrack data
We have been working to produce useful summaries for bird reports using data from the millions of annual BirdTrack records.