Brown Thornbill
Acanthiza pusilla
The brown thornbill is a passerine bird usually found in eastern and south-eastern Australia, including Tasmania. It can grow up to 10 cm (3.9 in) long, and feeds on insects. It is brown, grey and white. The species has five subspecies. Source
Where it is now
In the last 8 weeks this bird was recorded 207,875 times across 12 areas (each area is a 5 degree square).
See the Brown Thornbill on the live map
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.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| Oceania | 2 February 2026 | 2 February 2026 | 13 April 2026 | 1 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.