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.
The State of the UK’s Butterflies 2022
BTO joins Butterfly Conservation and the UK Centre for Ecology & Hydrology to report on long-term trends in abundance and distribution.
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
Guidance information for volunteer fieldworkers
Information about insurance, access rights, safeguarding, health and safety, and our Fieldwork Hazard Checklist.
Feel the ‘Ripple’ effect of BTO’s engagement projects
Sorrel Lyall’s journey from Youth Advisory Panelist to Ripple Project Officer takes an exciting turn in Northern Ireland.
Avian influenza - the disease, its impacts and our work
From symptoms and outbreaks to impacts and mitigation, learn more about avian flu and our dedication to tackling it.