Surveys

Current surveys are listed below:

Seabirds Count

A census of breeding seabirds has been organised in the UK and Ireland approximately every 15 years since 1969-70; the latest being Seabird 2000. After a ‘soft start’, the…

Willow Tits in Cornwall

The endemic British sub-species of Willow Tit (Poecile montanus kleinschmidt) is in serious trouble; the Breeding Bird survey shows that Willow Tit has the greatest decline of all species…

Winter Thrush 2013/14

The BTO’s Winter Thrushes Survey has just entered its second winter season.  As we write, the first tens of thousands of immigrant thrushes are arriving from their continental and…

Heronries re-Survey

The BTO Heronries Census is not only one of the longest running BTO surveys, dating back to 1928, but also the longest-running monitoring dataset for any breeding bird in the world….

Woodcock Survey

Help Needed with BTO Woodcock Survey The BTO in partnership with the Game and Wildlfowl Conservation Trust has launched a national survey to assess the breeding population of Woodcock…