© Tommy Holden

Wren - Troglodytes troglodytes
Reporting rates for Britain and Ireland



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

Wren: Numbers of this species fluctuate from year to year. They took a while to recover from the cold spring of 1996 which badly affected breeding.

Reporting rate by species per week

Plot of wrate * newdate

Average Monthly Reporting Rates

Plot of mean_rep_rate * fudgedate



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