© Tommy Holden

Blackcap - Sylvia atricapilla
Reporting rates for Britain and Ireland



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

Blackcap: Although a summer migrant to Britain & Ireland, the peak garden reporting rate is in winter, illustrating that birds from Central Europe are now choosing to winter here.

Reporting rate by species per week

Plot of wrate * newdate

Average Monthly Reporting Rates

Plot of mean_rep_rate * fudgedate



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