Nest predation is a major cause of breeding failure in many bird species, and understanding the species responsible for this is important in designing effective conservation interventions. This study ...

This event comprises a 2.5 km guided walk around RSPB Rainham Marshes, learning how to identify the key species that call Rainham home as well as learning about BTO surveys such as the Wetland Bird ...

Fewster, R.M., Buckland, S.T., Siriwardena, G.M., Baillie, S.R. & Wilson, J.D. 2000. Analysis of population trends for farmland birds using generalised additive ...

To celebrate the first season of Cudyll Cymru and the valuable data it is generating, we are hosting our inaugural Welsh Raptor Convention on 31st January 2026 at Aberystwyth University. We hope the ...

House Sparrow perched on a beam, by Amy Lewis / BTO 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 ...

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 ...

Most of us who live in cities or towns will barely go a day without seeing a Feral Pigeon Columba livia. These birds are superbly adapted to surviving in urban environments, having descended from ...

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 ...

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 ...

In the latest report looking at the size of our bird populations the Wren tops the list with 11 million pairs across the UK. The latest report, Population estimates of birds in Great Britain and the ...

In a follow-up to last year’s The Role of Birds in World War Two: How Ornithology Helped to Win the War, Nicholas Milton has produced another fascinating book exploring the role played by birds in ...

A devastating wave of high pathogenicity avian influenza (HPAI / bird flu) has triggered an unprecedented global wildlife emergency, decimating seabird and waterbird colonies across the UK and beyond.