About birds

Bird of the Month - Black-headed Gull

Black-headed Gull. Photograph by Neil Calbrade
Chroicocephalus ridibundus
Winter - 215 thousand individuals in 2003/04 - 2005/06
29 years 3 months 12 days (Recorded in 2010)
Lakes, rivers, moors, grassland, coasts
Opportunist, insects, earthworms
BirdTrends Report

Discover the latest bird trends

Get the big picture of what is happening to some of the UK's key bird species in the BirdTrends report.

Drawing on data from a number of schemes including the Breeding Bird Survey, Nest Record Scheme and Ringing Scheme, this annual report reveals which species are decreasing in numbers, which are booming and how breeding succes is changing over time.

BirdTrends now includes trends across habitats.

View the latest BirdTrends Report

Watch Bird ID Workshop Videos

Cormorant. Photograph by Moss Taylor

A black, reptilian-looking bird swims by low to the water - but is it a Cormorant or a Shag?

Browse our expanding collection of bird ID workshops on tricky species.

To learn more about bird identification, try one of our training courses.