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.
Chequered Skipper butterfly.
News

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.
Curlew chick by Samantha Franks
Publication

​Curlew collaboration to boost breeding success

Research from BTO and the University of East Anglia reveals how land management can support the breeding success of this declining species.
Mistle Thrush. Edmund Fellowes / BTO
Blog

How garden birds survive in the cold and winter

Discover how birds survive in the cold, which thrushes might visit your garden in an icy spell, and how you can help your garden birds when the weather turns frosty.
Whooper Swans. Liz Cutting

Find a project

Use our project finder to find the project that matches your level of bird expertise and the time you have available.

project finder

Fieldfare. Liz Cutting

Garden BirdWatch

Help with research into garden wildlife by joining our Garden BirdWatch community

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Waxwing. Liz Cutting / BTO

Join BTO today

Choose from a range of memberships including a monthly subscription, Life, Young Birder or Gift membership.
Join BTO
Bird surveyors. Photograph by Jamie Murray-Grant

Guides and courses

Let us help you to improve your birding, fieldcraft and surveying skills. Browse our range of helpful guides and programme of training courses.

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More ways we work

Mount Snowdon

National offices

Representing BTO in Wales, Scotland and Northern Ireland.
Partnership agreement with JNCC by Tom Stewart

BTO partnerships

The organisations we work with to achieve our charitable aims.
Windfarm

BTO Consulting

Bringing our expertise and advice to industry, within the UK and abroad.
Barnacle Geese

Avian flu appeal

Donate today to support our research into avian influenza.
Bird surveyer. David Tipling
Article

Guidance information for volunteer fieldworkers

Information about insurance, access rights, safeguarding, health and safety, and our Fieldwork Hazard Checklist.

 The southern shores of Lough Neagh, Oxford Island. Sorrel Lyall
Blog

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.

 Barnacle Geese. Sebastian / stock.adobe.com
Article

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.