A world inspired by birds and informed by science.
Making birdwatching count
We empower 60,000 bird-enthusiasts to gather vital data, develop their skills and be part of a vibrant community.Championing impartial science
We answer the most pressing questions about birds, through our thorough and impartial scientific research.Sharing our bird knowledge
We communicate our knowledge and expertise to increase the value of birds and other wildlife for all.
POPULAR: Garden BirdWatch Wetland Bird Survey Cuckoo Tracking Project Bird Ringing Scheme Breeding Bird Survey
Join BTO today
Discover the curiosities of birds and their world by becoming a BTO Member today.
Gift memberships are also available.
More ways we work
Migration blog review of 2021
Whilst 2021 was a stop start year for many of us the same could be said for migrating birds, but for very different reasons.
Avian Influenza (Avian flu)
During winter 2021-22 there are cases of highly pathogenic avian influenza (HPAI) in wild birds in Great Britain and the current risk of incursion is considered to be HIGH.
Migration blog – Winter
As we get ever closer to the end of autumn the pace of migration steadily slows, and as the daylight hours shorten so does the variety of birds on the move.


