The Indian Peafowl, will be familiar as an ornamental species, often associated with stately homes, but the free-flying nature and tendency to wander some distance mean that individuals can turn up ...

The Lesser Whitethroat is secretive bird of farmland and reedbed habitats. The distinctive song is a helpful guide to its presence. A warbler with greyish upperparts, white undersides and a large ...

Marsh Tits and Willow Tits probably present one of the more difficult ID challenges in the UK. View our Bird ID video to gain some invaluable tips on key features to tell them apart.

Avian pox is caused by a virus, and sporadic cases of the disease are observed each year in British garden birds. Please note: avian pox is a different disease from avian influenza. Great Tit with ...

Our scientists process and analyse the raw data from our surveys to produce several exciting tools and reports for you to explore. You can also request raw survey data for uses such as research, ...

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. Get involved in our ...

Each year, thousands of people from all over the UK kindly donate to BTO to help fund our research and monitoring of the UK's bird populations. The data and insight from our work provides crucial ...

From increasing your confidence when counting large flocks to understanding how weather influences migration, there are many ways you can add to your birding skill set. Joining a bird survey can be a ...

What exactly is crop milk, which birds produce it, and why is it so important? Learn more about this unusual food. A very small number of birds, including Woodpigeon, produce 'crop milk', a substance ...

Identifying the two large sawbills, Goosander and Red-breasted Merganser, can be pretty straightforward when confronted with male birds. However, separating the females - or redheads, as they are more ...

Clark, J.A., Adams, S.Y., Peach, W.J. & Simons, J.R. 1996. Report on bird ringing in Britain and Ireland for 1994. Ringing & Migration 17: 79.

Many UK-breeding birds that migrate to Africa for the winter have undergone dramatic declines in recent decades. New BTO research shows that both winter habitat and the geographical regions visited ...