Calls and identification The territorial hooting call of a male Tawny Owl is probably the most familiar of UK owl calls, beginning with a drawn out ‘hooo’, followed by a brief pause, before a softer ...

BTO scientists call for urgent investment in long-term monitoring and improved approaches to disease response, as avian influenza decimates a suite of bird species ...

Waterbirds in the UK presents the results of the annual Wetland Bird Survey. Since 2022, Waterbirds in the UK has also been the primary reporting mechanism for the Goose and Swan Monitoring Programme.

Satellite technology is helping scientists from the British Trust for Ornithology (BTO) to better understand the pressures that the UK’s breeding Cuckoos face as they make annual migrations of 16,000 ...

Overview The State of UK’s Birds reports have provided an periodic overview of the status of the UK’s breeding and non-breeding bird species in the UK and its Overseas Territories since 1999. This ...

Report birds with rings, tags or other marks You can report rings and tags found on live or dead birds. This contributes valuable data to our research, helping our researchers determine bird ...

Reporting ringed birds helps us provide more effective conservation advice So you can see the importance of looking for, and reporting, ringed birds. If you do find a ring, please report it: Report a ...

About the surveyThe Heathland Birds Survey will survey all the Nightjars, Woodlarks and Dartford Warblers, in all habitats, throughout the UK and Channel Islands.

Soon after the bird began its return migration to the UK, the geolocator that it had carried for the previous ten months failed. The bird made it successfully back though, being caught fifty metres ...

The Constant Effort Sites (CES) scheme is the first national standardised ringing programme within the BTO Bird Ringing Scheme and has been running since 1983. Ringers operate the same nets in the ...

In August 1962 a special issue of British Birds was published, devoted to “setting the record straight” on what has become known as one of the most famous cases of ornithological fraud of all time.

Bird ringing generates information on the survival, productivity and movements of birds, helping us to understand why populations are changing. Please report ringed birds to us using the Euring app.