Welcome to the BTO

Looking out for birds? Share your interest in birds with others by being part of the British Trust for Ornithology. 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.

BTO survey applications - scheduled maintenance

Due to scheduled maintainence, all BTO survey applications used for data entry and reporting may be unavailable between 9am and 5pm on Wed 26 July 2017.

This will affect BBS, GBW, BirdTrack, WeBS, Heronries Census and House Martin Survey applications. We apologise for any inconvenience.

Spurn Migration Festival

Migfest 2017

Celebrating the natural spectacle that is bird migration, the Spurn Migration Festival 2017 will take place 8–10 September and once again BTO will be there.  Don’t miss Professor Ian Newton talking about migration, the various walks and workshops, and migration in action. Tickets for the event are on sale and selling fast, get yours here.  

Flight Lines: Tracking the wonders of bird migration

Tracking the wonders of bird migration

Flight Lines, due to be published in late August, brings together the latest research and stunning artwork to tell the stories of our summer migrants. The book, which is being offered as a new joiner gift, is available at a special pre-publication price. Find out more about the book.
Cuckoo and Nightingale Appeal

New Cuckoo and Nightingale Appeal

Both Cuckoo and Nightingale populations have suffered staggering declines in the last 40 years. It’s more vital than ever that we push on with the ground-breaking research we have begun on Cuckoos and pull out all the stops to unearth as much as we can from the information we hold in our archives about the Nightingale. Support our new appeal here.