Help us track Cuckoos and learn even more about their epic migration: sponsor a cuckoo. Read the latest updates on how our cuckoos are managing their amazing migration from Britain and Ireland to ...

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.

When organised bird ringing began in Britain & Ireland in 1909, the focus was to learn more about where birds moved to and from, particularly on migration. While data from metal rings can still ...

The specially protected species in Isle of Man are detailed in the Wildlife Act 1990 as amended by The Wildlife Act 1990 (Variation Of Schedules) Order 2004. The BTO is not involved in the issue of ...

BTO provides a discussion forum for volunteers, through a platform called Discourse. The forum is intended to provide a place for volunteers to discuss topics informally, to ask for help or advice ...

Opportunities for ringers holding a valid BTO permit will be posted on this page as and when they become available. These may be paid opportunities, but some may be voluntary positions or just ...

Species in the table that are marked with an asterisk are ones for which we particularly wish to encourage more monitoring because although they are common we receive relatively few records for them.

BTO has created an app containing information that ringers and nest recorders will find useful in the field. The app also contains NRS and habitat codes and the ringing codes likely to be needed in ...

What is the HPAI Ringing Framework? The HPAI Ringing Framework provides mandatory guidance for bird ringers about operating during the current outbreak of avian influenza (2021–present). It has been ...

The vireos are a group of migratory warbler-like birds of the Americas. Birds of the tree canopy, they have relatively dull plumage, a robust build and heavy bills. Although they feed largely on ...

Frigatebirds are highly maneuverable aerial predators of tropical waters. The five species all breed in large colonies in trees on tropical islands. During courtship the males (which are mostly black) ...

The American wood warblers are similar in in size, shape and habits to the old world warblers, to which they are not at all related, though they are generally rather more colourful, particularly the ...