Our reports provide rigorous scientific information to inform Environmental Impact Assessments in the UK. It may still feel like winter but for some species, the increasing temperatures and ...

Working with a network of volunteers, static acoustic bat detectors were deployed over five survey seasons, 2020-2024, to provide bat data for the Ryevitalise Landscape Partnership Scheme area of the ...

With unprecedented pressures on funding, we need your help now more than ever to continue our essential surveys. The Winter Gull Survey collects information about our wintering gull populations, ...

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Join us on Saturday 1 March 2025 at The Midland Hotel in Manchester for a programme packed with talks from BTO staff and volunteers. Join us in Manchester for a programme packed with talks from BTO ...

When it comes to taxonomy, BTO follows the British Ornithologists’ Union (BOU) and, in turn, the International Ornithological Committee (IOC). We aim to implement relevant taxonomic changes twice a ...

Changes to the timing of spring events are some of the most obvious and highly documented responses to climate change. Differences in the response of timing between interacting groups, such as ...

The Little Owl is a species of open country, favouring lowland habitats such as farmland, parkland and orchards. Introduced from the Continent during the latter part of the 19th century, the species ...

Being largely nocturnal in their habits, owls face a different set of challenges to many other predatory birds. In addition to their excellent vision, hunting owls also rely on their sense of hearing ...

Extreme migratory connectivity and mirroring of non-breeding grounds conditions in a severely declining breeding population of an Afro-Palearctic migratory bird This study used a combination of ...