Welcome to the BTO

Looking out for birds? Share your interest in birds with others by being part of the British Trust for Ornithology (BTO). Volunteer surveyors, members and staff work in partnership to provide unbiased information about birds and their habitats. Join or volunteer today and make birds count.

Unity lottery

Support BTO in the weekly lottery

A weekly lottery with a difference! In our new Unity lottery, for every £1 you play, 50p will go straight to our work so the more people that play, the more money we receive. The draw takes place each Saturday and each entry costs just £1 per week. Each time you have the chance to win a £25,000 jackpot, plus other fantastic cash prizes, and at the same time, you're helping to raise funds for our work looking out for birds.
Tree Sparrow by Ron Marshall

Online Ringing and nest recording

The latest ringing and Nest Recording figures are out and show that during 2016 over one million birds were ringed. While Blue Tit was the most ringed species, Goldfinch made number two with 55,754 individuals ringed. Seventeen new longevity records were set, 46,272 nest records were received, and Tree Sparrow was in the top five species for nest record monitoring. Take a look at the report online here.

Curlew by Jill Pakenham

Glimmer of hope for Curlew

The UK holds almost a third of the global breeding population of Curlew. Declines here have been greatest in Scotland, Wales and Northern Ireland, and in Ireland the breeding range has contracted by a massive 78%. By analysing data, collected by thousands of volunteer birdwatchers as part of the BTO/JNCC/RSPB Breeding Bird Survey (BBS), BTO has, for the first time, documented how a range of different pressures may be responsible for this national decline.

Greater Spotted Eagle. Photograph by Alexander Pekach (APB-Birdlife Belarus)

Movetech takes next steps in tracking

New technology continues to give us a better understanding of the movements and behaviours of a wide range of species, helping us inform science and conservation. BTO has now produced our own GPS tracking devices, which use the mobile phone network, as part of the Movetech Telemetry partnership. These are now available to the wider research community. Find out more about some of the exciting new stories we are discovering.