A world inspired by birds and informed by science.
Making birdwatching countWe empower 60,000 bird-enthusiasts to gather vital data, develop their skills and be part of a vibrant community.
Championing impartial scienceWe answer the most pressing questions about birds, through our thorough and impartial scientific research.
Sharing our bird knowledgeWe communicate our knowledge and expertise to increase the value of birds and other wildlife for all.
Open access atlases
BTO has been working with volunteer-sourced atlas data for many decades. Now we are taking the bold step of making the full archive of distribution data freely available for anyone to use.
Associations between gamebird releases and general predators
Pheasants and Red-legged Partridges for commercial shoots may be boosting numbers of the avian predators and scavengers.
Join BTO for a walk at Birdfair
Booking is now open for BTO's Free Guided Bird Walks at Birdfair 2019
What effect might annual releases of non-native gamebirds be having on native biodiversity?
Henrietta Pringle reveals the work behind a recent paper on gamebirds and predation
Is bird feeding changing Britain's garden bird communities?
Newly published research from BTO shows how the popular pastime of feeding the birds is significantly shaping garden bird communities in Britain.