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 ...

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, ...

Join BTO Youth in a Raptor ID Walk hosted by Ciera, Liliana (BTO Youth Representatives, Glamorgan South) and Charlotte (BTO Cymru, Welsh Raptor Monitoring Coordinator).

Meanwhile, as is the case in all parts of the UK, Swallow numbers are down in Northern Ireland. But Raven, for so long persecuted across the UK, are now on the up, with a 43% increase in Northern ...

Waterbirds in the UK presents the results of the annual Wetland Bird Survey. Since 2022, Waterbirds in the UK has also been the primary reporting mechanism for the Goose and Swan Monitoring Programme.

A new report published today by the British Trust for Ornithology (BTO), in partnership with RSPB and JNCC, reveals impacts of Avian Influenza on Mute Swans across the UK.The Wetland Bird Survey (WeBS ...

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 ...

The UK is home to 73 million fewer birds today than it was in 1970, according to research from the British Trust for Ornithology (BTO) published today, International Dawn Chorus Day. This staggering ...

The number of Glaucous Gulls was lower than expected this winter, given the volume of icy arctic winds that usually carry this species to the UK. Both Glaucous and Iceland Gulls were recorded in lower ...

Data from the British Trust for Ornithology (BTO) Garden BirdWatch survey, carried out by volunteers across the UK, show a fourfold increase in the number of gardens recording a Hummingbird Hawkmoth, ...

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 ...

For migrant birds, there are both ‘push’ and ‘pull’ factors that drive their migration. Typically, it’s a mix of factors. Different species also migrate at different times, and in different ways - in ...