About the surveyThe Heathland Birds Survey will survey all the Nightjars, Woodlarks and Dartford Warblers, in all habitats, throughout the UK and Channel Islands.

WeBS Methods, Analysis and Presentation WeBS Survey Methods, Analysis and Presentation supporting documentation contains more detailed descriptions of all the tables, statistics, maps and plots ...

Anthropogenic climate change has increasingly been identified as a major threat to global biodiversity. However, the extent of this threat is likely to be uneven across species, due to differences in ...

An editorial to the first of two themed issues of Bird Study, looking at the impact of High Pathogenicity Avian Influenza on wild birds since summer 2021. In the winter of 2020/21, during one of the ...

In a study population of Common Buzzards Buteo buteo in Easter Ross in eastern Highland, Scotland, numbers remained largely stable between 1996 and 2021, averaging 54 occupied territories. There was ...

The Common Birds Census (CBC) was a major volunteer fieldwork project run by the BTO from 1962 to 2000, designed to monitor the numbers of common breeding birds in the UK.

Breeding productivity of Golden Eagles Aquila chrysaetos and White-tailed Eagles Haliaeetus albicilla in Scotland was markedly lower in 2022 than in previous years, consistent with an impact of the ...

With increasing sophistication, genetic techniques and analyses are allowing us to delve deep into the past to show how prior environmental or demographic change has influenced species’ present day ...

Six months into an unprecedented high pathogenicity avian influenza outbreak in wild birds, expert elicitation highlighted significant uncertainty in the likely effectiveness of interventions to ...

1. Renewable energy development is rapidly increasing in efforts to mitigate climate change. Whilst the impact of individual projects on biological diversity may be limited, there is a risk of ...

A vulnerability assessment to high pathogenicity avian influenza predicted mortality at the avian family, but not the species, level. Waterfowl, seabirds, other waterbirds and raptors were ranked as ...