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.
Birds on your doorstep: highlighting 50 years of change in bird populations
We’ve lost a staggering 73 million birds since 1970, as a new analysis of BTO data reveals.
Can migrant birds wait until we have all the answers?
Research led by our CEO, Juliet Vickery, makes the case to act now to stem migrant bird population declines instead of waiting for more evidence.
From expert ringers to garden enthusiasts, we have a range of projects to suit everyone.
Help with research into garden wildlife by joining our Garden BirdWatch community.
Join BTO today
Choose from a range of memberships including a monthly subscription, Life, Young Birder or Gift membership.
Guides and courses
Improve your birding, fieldcraft and surveying skills. Browse our range of helpful guides and training courses.
More ways we work
Wave of avian influenza hitting Black-headed Gulls
Avian Influenza is killing large numbers of Black-headed Gulls at inland and coastal breeding colonies across central and northern England, prompti
Guidance information for volunteer fieldworkers
Information about insurance, access rights, safeguarding, health and safety, and our Fieldwork Hazard Checklist.
Amazing nesters and nest monitoring
Bird breeding behaviours to watch out for this spring, and how to get started with nest monitoring.