From England to Northern Ireland, Scotland and Wales, BTO welcomes everyone to get involved wherever they are—and works to make sure its monitoring projects cover the whole of the UK.

Access personalized tools, resources, and information for bird enthusiasts and conservationists through the British Trust for Ornithology's My BTO platform.

Jan 20, 2026 · After a mild and very wet couple of weeks to start December, the weather took a turn at Christmas with the first proper cold snap of the winter. This, combined with some spells of easterly …

From enigmatic Nightjars and disappearing Blackbirds, to adventures with seabirds, our conference programme is packed with inspiring talks from BTO staff and special guest speakers.

Dec 18, 2025 · Whenever BTO research is published we always aim to write a more general, non-scientific summary on our website, which is publicised through the BTO’s social media channels (i.e. …

The heart of BTO encompasses three key areas: birds, science, people. We work to secure a better future for birds and nature, using our science, monitoring and data to inform good environmental …

BTO collects, analyses, reports on and offers a wide range of data including facts and figures on British birds (including bats and butterflies), trends in numbers and breeding performance over 50 years and …

Join BTO Get exclusive content and benefits with BTO membership, all while supporting our crucial work.

Biology Lifecycle and body size information for Mallard, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.

BTO runs a wide range of bird ID training and ornithology courses throughout the year. You can also find out more about our trainers and youth-only courses, events and training, and about our other events …