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Tagged Lesser Black-backed Gull. Gary Clewley

Bird tracking — a masterclass

Phil Atkinson explains the technology behind tracking.

BTO Data Report

Data Reports

Get the best bird data to inform Ecological Impact Assessments

Skylark. John Harding

Making the most of BirdTrack data

We have been working to produce useful summaries for bird reports using data from the millions of annual BirdTrack records.