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.
Bird Atlas 2007-11 cover
Publication

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.
Pheasant. Jill Pakenham.
Publication

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.
Tagged Lesser Black-backed Gull. Gary Clewley
Article

Bird tracking - a masterclass

Phil Atkinson explains the technology behind tracking.
Blue Tit on garden feeder

Find a project

POPULAR: Garden BirdWatch Breeding Bird Survey Gardenwatch Nest Record Scheme Wetland Bird Survey

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

Start

Arctic Tern Photographer Jeremy Moore

BirdTrack

BirdTrack is a free and convenient way of storing your bird records online. BirdTrack lets you keep up to date with what others are seeing, view the latest trends, and contribute your data to BTO science

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Young birders by Ben Porter
News

Become a member before summer ends

Join BTO before 23 September and enjoy 12 months of membership for the price of 9. 

 Monitoring breeding birds. David Tipling
News

Updated biodiversity indicators

BTO monitoring data has contributed to the updated set of 24 goverment Biodiversity Indicators for 2019.

 Reed Warbler perching in reeds by Amy Lewis, BTO
Publication

Population growth rates affected by climatic variables

Research by BTO and Natural England, suggests that climate change has had a detectable impact on a sizeable proportion of England’s avifauna over the last 50 years.
Bird surveyors. Photograph by Jamie Murray-Grant

Develop your skills

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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Join BTO today

Support BTO by becoming a member, and receive a wonderful welcome gift -

our great BTO guide to Common British Birds

Gift memberships are also available.

Join BTO