The publications We had a fantastic response to our for contributions for a special issue of Bird Study, documenting and exploring the impacts of the unprecedented recent outbreaks of Highly ...

Cuckoos are a widespread and familiar bird across much of the UK, and many people can recognise the famously onomatopoeic song, but sadly we have lost more than a third of our breeding Cuckoos since ...

The WeBS and GSMP Partnerships WeBS is a partnership jointly funded by BTO, RSPB and JNCC, with fieldwork conducted by volunteers and previous support from WWT. The permanent members of the WeBS ...

Waterbirds in the UK presents the results of the annual BTO/RSPB/JNCC Wetland Bird Survey (WeBS) report. Since 2022, Waterbirds in the UK is also the primary reporting mechanism for ...

Early May Laying a clutch of eggs This is an exhausting time for the female. She lays one egg a day during early May, usually first thing in the morning. Blue Tits have one of the largest clutch sizes ...

Overview Commonly referred to as the UK Red List for birds, this is the fifth review of the status of birds in the UK, Channel Islands and Isle of Man, published in December 2021 as Birds of ...

Visit datesThe Winter Ringing Project is the first standardised ringing project to focus on monitoring passerines in winter. The project began as a pilot scheme over the winter of 2020/21, using a ...

How will Blackbirds in Gardens help? This survey will help us understand the potential for disease transmission by Blackbirds in gardens by looking at the number of birds that occur together. It will ...

Overview Waterbirds in the UK presents the results of the annual Wetland Bird Survey Report. It provides a single, comprehensive source of information on the current status and distribution of ...

Not too close to another nest box Nest boxes of the same type should not be sited too close together as this may promote aggressive behaviour between neighbours. Shelter your box from the weather The ...

Each of the BTO Acoustic Pipeline ultrasonic classifiers covers European bats, small terrestrial mammals and bush-crickets and moths. This page details the full list of species covered by the ...

Upcoming events for BTO volunteers and supporters in Wales. Be one of the first to know about future training courses, events and our wider work in Wales by signing up to receive the BTO Cymru ...