Common Waxbill

Estrilda astrild

The common waxbill, also known as the St Helena waxbill, is a small passerine bird belonging to the estrildid finch family. It is native to sub-Saharan Africa but has been introduced to many other regions of the world and now has an estimated global extent of occurrence of 10,000,000 km2. It is popular and easy to keep in captivity. Source

Where it is now

In the last 8 weeks this bird was recorded 15,526 times across 29 areas (each area is a 5 degree square).

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Movement and weather

Each season it is first heard regularly where daytime highs are around 24°C (typically 21 to 24°C, from 6 areas). That holds across 75° of latitude, which suggests its timing follows temperature more than the calendar.

Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.