Learn more about Cudyll Cymru and register your interest in contributing to the vital monitoring of Welsh raptors.
The Blackbirds in Gardens project aims to help us understand how Blackbirds use gardens and the potential effects of Usutu virus.
BTO’s BirdTrends 2023 report provides summary information about the population status of the common breeding birds of the wider UK countryside.
New BTO research predicts seabird declines of up to 90% by 2050 in Britain and Ireland under a ‘business as usual’ climate scenario.
The Winter Gull Survey collects information about our wintering gull populations, through the coordinated effort of volunteer surveyors across the UK.
Fears grow around the new wave of Avian Flu as the disease kills thousands of inland gulls.
Using data collected by volunteers participating in three national butterfly monitoring schemes - operating in Spain, the UK and Finland - this paper explores the mechanisms shaping community...
The BirdTrends 2022 report is a one-stop shop for authoritative information about the population status of the common breeding birds of the wider UK countryside.
The Curlew is of significant conservation concern in the UK, but many questions still remain about their breeding behaviour. This is partially due to the species’ cryptic nature and sensitivity to...
This project tracks the abundance and breeding success of the UK’s native geese and migratory swans through winter surveys.
BTO Cymru’s Rachel Taylor and Callum Macgregor reflect on working at the interface between science and policy for their research on Cormorant and Goosander populations in Wales.
Sophie Bennett reflects on her recent three month placement at the BTO and the value of taking a step back from a PhD.
Amidst widespread declines, how can we ensure conservation is targeted and effective? Analysis of ringing data may be key to answering this question.
Amidst widespread declines, how can we ensure conservation is targeted and effective? Analysis of ringing data to detect patterns of survival and productivity may be key to answering this question.
Oystercatcher numbers are declining in the UK, in line with the trends for wader species globally, and with ever greater anthropogenic changes to wader habitats, it is vital we understand the...
Commonly referred to as the UK Red List for birds, Birds of Conservation Concern assesses the populations of almost 250 UK bird species to determine their conservation status.
Population trends are estimated for the first time for twelve species based on Shetland Breeding Bird Survey data collected between 2002 and 2019.
The BirdTrends 2020 report is a one-stop shop for authoritative information about the population status of the common breeding birds of the wider UK countryside.