Read the latest updates from our Cuckoos on their epic migration between the UK and tropical Africa, or track their movements in real-time on our Cuckoo migration map. If you enjoy these updates, ...

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 ...

BTO scientists call for urgent investment in long-term monitoring and improved approaches to disease response, as avian influenza decimates a suite of bird species ...

The BTO provides grants of up to £500, to support ornithological research projects by BTO members, and holders of BTO ringing permits only. We welcome applications relating to projects on all aspects ...

Many BTO Garden BirdWatchers have a keen interest in other types of wildlife, which is why we also enable participants to records observations of visiting mammals, butterflies, dragonflies, bees and a ...

Recording areas (usually counties) have a Bird Recorder who collates records often linked to the activities of local bird clubs. One of the aims of BirdTrack is to support the County Recorder network ...

Bird Atlas 2007–11 presents over 1,300 detailed maps for nearly 300 species, showing where each breeds and winters, where they are most and least abundant and where status is changing. The species ...

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 ...

Waterbirds in the UK presents the results of the annual BTO/RSPB/JNCC Wetland Bird Survey (WeBS) report. Since 2022, Waterbirds in the UK is also the primary reporting mechanism for ...

In addition to the formal trends and research papers that emerge from analysis of BTO Garden BirdWatch data, we also present data summaries for the core species that we monitor, together with basic ...

The 2023 BBS report celebrates the survey’s 30th anniversary, and the commitment and dedication of nearly 9,000 volunteers who have contributed since 1994.