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 ...

We encourage volunteers to enter their own counts using the BBS Online web application. Please consider using our online data entry system if possible – we have lots of help and guidance to support ...

Yellow Wagtail is another species to look out for in August. While it has disappeared as a breeding species in many areas of the UK, on autumn migration there is a good chance of finding it anywhere ...

The Blackbirds in Gardens project will help us understand how Blackbirds use gardens, and the potential effects of the Usutu virus on their population in the UK. Update: The 2025 spring survey season ...

Satellite technology is helping scientists from the British Trust for Ornithology (BTO) to better understand the pressures that the UK’s breeding Cuckoos face as they make annual migrations of 16,000 ...

All birds are protected in some form, but some species have additional protection during the breeding season as do their nests, eggs and dependent young. To disturb these you must obtain a special ...

From donating, joining and fundraising to helping at events, volunteering for surveys, or becoming a corporate member, there are lots of ways you can support us and our work. By remembering us in your ...

A selected list of publications that involve WeBS data. This list does not include the WeBS annual reports. You can read these on our dedicated Wetland Bird Survey Annual Report page. Austin, G.E.

Bird Atlas 2007–11 was one of the most ambitious volunteer projects ever undertaken, mapping birds in both winter and the breeding season from every inch of Britain and Ireland. The fieldwork is now ...

Plumage differences caused by pigmentation changes Changes in the amount and/or distribution of particular feather pigments are some of the most commonly reported types of plumage abnormality. Most ...

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 ...

Cheeping flocks of House Sparrow once tumbled from untidy nests and wallowed in urban dust baths. Now the species is in decline and has been on the UK Red List since 2002.Colonial nesters, the male ...