Population trend graphs
The latest BBS report includes an annual update of population trends, specifically along waterways, for 24 species with the strongest association with that habitat type. These trends are repeated in the table below. Trends are derived from the entire WBBS data sets, and date back to 1999.
The Breeding Bird Survey Report and WBBS population trends
A full summary of the 2019 WBBS season and the latest WBBS population trends can be found in the WBBS pages (pages 32-35) of the of the Breeding Bird Survey Report.
BirdTrends and WBBS
BirdTrends contains information on the details of methodology and a discussion of each species - for which we produce WBBS trends - in a wider context.
Working together for seabirds
BTO work supports effective monitoring of our seabirds and aims to provide opportunities for a new generation of seabird surveyors.
Gull ID virtual training (2 sessions, Wednesdays 10am)
The training will consist of two weekly online modules of 90–100 minutes each, complemented by supported self-study exercises which will be provided after each session. The training will be run by BTO staff members Nick...