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 ...

This project is part of the Natural England / BTO Research Partnership providing the evidence needed to support nature’s recovery and people’s experience of the natural world. This report was ...

Waterbirds in the UK presents the results of the annual Wetland Bird Survey. Since 2022, Waterbirds in the UK has also been the primary reporting mechanism for the Goose and Swan Monitoring Programme.

Update: The 2025 spring survey season began on 13 April and is now live. The Blackbirds in Gardens project will help us understand how Blackbirds use gardens, and the potential effects of the Usutu ...

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 ...

This page explains which information is provided in the summary section at the top of each species page in BirdFacts. In the largest font, you will find the species’ common name, as regularly used in ...

BirdFacts draws together up-to-date information on status and trends for all species routinely monitored by BTO schemes and surveys, often in partnership with other organisations. Completeness of this ...

Bird Study publishes high-quality papers relevant to the sphere of interest of the British Trust for Ornithology: broadly, field ornithology, especially related to evidence-based bird conservation.

State of Nature 2019 documents how human impacts are driving sweeping changes in wildlife in the UK. As well as an overarching assessment of UK flora and fauna, there are separate reports for England, ...

The report summarises information on trends in more than 3100 species within the major taxonomic groups assessed. The report presents a new Watchlist Indicator, a cross-taxa priority species indicator ...

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 ...

Understanding the indicator graphs An example of an indicator graph taken from the 2022 update to the UK-wide indicators. It shows the changes in the abundance of woodland birds between 1970–2022.