The blog focuses on a range of topics, including BTO’s scientific work, BTO Youth programmes of work, and opinion pieces. Sometimes they include interviews with other people, or are written by a ...

Join us for a special in-person conference marking three decades of citizen science –where garden sightings have fuelled groundbreaking research, informed conservation action, and connected people to ...

Join us for a special in-person conference marking three decades of citizen science –where garden sightings have fuelled groundbreaking research, informed conservation action, and connected people to ...

Get to know your square Your Regional Organiser will give you the grid reference of your 1-km Winter Bird Survey square. To find the location of your square: Visit the Ordnance Survey website Enter ...

Why are we conducting the Winter Bird Survey? The Winter Bird Survey will: Help us understand how wintering birds benefit from using agri-environment scheme and agri-environment and climate scheme ...

What skills do I need to take part? You need to be able to identify all the bird species that are likely to be encountered in your 1-km survey square during the non-breeding season. You also need to ...

About the surveyThe Winter Bird Survey is a UK-wide repeat of the 2018/19 English Winter Bird Survey. Like its forerunner, the Winter Bird Survey covers a single season, collecting important ...

To evaluate (1) whether three migratory nightjar species (Family Caprimulgidae) adhere to Bergmann’s rule, (2) whether environmental factors on the breeding or wintering grounds determine body size, ...

Estimates of breeding seabird populations are used to assess the potential impacts of proposed wind farm developments. The approach used in these assessments is known as the Biologically Defined ...

Obtaining measures of population size and fitness are key first steps to understanding how and why species' populations change over time. Quantifying such metrics is difficult in some species, however ...

Climate change and the alteration of land-use and land-cover (LULC) on a global scale presents a notable threat to biodiversity, with a particular impact on long-distance migratory birds. Nonetheless, ...

Autumn and winter are wonderful times to get out to your local waterbody and enjoy the many ducks and geese that migrate here from colder climes. In these interactive online workshops, Gethin and ...