Tommy Holden

House Sparrow - Passer domesticus
Reporting rates for Britain and Ireland

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

House Sparrow: The reporting rate for this species shows a strong decline, matching the longer-term decline that can be seen in Garden Bird feeding Survey results.

Reporting rate by species per week

Plot of wrate by newdate

Average Monthly Reporting Rates

Plot of mean_rep_rate by fudgedate

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