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.
Christmas gifts from BTO
Browse BTO's christmas collection range of cards, calendars and gifts.
Unlocking the science to reveal the state of nature
David Noble takes a sober look at the latest State of Nature Report.
A world informed by science: the impact of BTO in 2012–18
An assessment of the impact of BTO science over the period 2012–2018, this report was part of the evidence provided to an independent expert review panel.