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 ...

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 ...

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, ...

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 ...

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 ...

Spend as much time as you like following each Cuckoo's migration and reading the updates about their movements. No technical skills are required to support the Cuckoo Tracking project - just a love of ...

From walks and talks to our annual conference, BTO runs a wide range of bird ID training and ornithology courses throughout the year. Browse the listings below to find a training course that's right ...

About Breeding Waders of Wet Meadows The purpose of this survey was to assess the importance of both existing and new lowland wet grassland and also other breeding wader habitats in England (as ...

Calls and identification The territorial hooting call of a male Tawny Owl is probably the most familiar of UK owl calls, beginning with a drawn out ‘hooo’, followed by a brief pause, before a softer ...

The Winter Gull Survey collects information about our wintering gull populations, through the coordinated effort of volunteer surveyors across the UK. Winter Gull Survey volunteers can view and enter ...

More than half of British Swifts have been lost since 1995, but the reasons underpinning this decline are unclear. BTO scientists are involved in research aiming to address these knowledge gaps, ...

Bird ringing generates information on the survival, productivity and movements of birds, helping us to understand why populations are changing. Please report ringed birds to us using the Euring app.