© Tommy Holden

Song Thrush - Turdus philomelos
Reporting rates for Britain and Ireland



The graph below shows the reporting rate for Song Thrush by region. The reporting rate is a measure of the proportion of gardens which observed Song Thrush during a particular week.

Song Thrush: The marked seasonal cycle shows birds disappearing from gardens after breeding. The problem is that many young birds fail to reappear in winter.

Reporting rate by species per week

Plot of wrate * newdate

Average Monthly Reporting Rates

Plot of mean_rep_rate * fudgedate



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