Olive-backed Oriole

Oriolus sagittatus

The olive-backed oriole, or white-bellied oriole, is a very common medium-sized passerine bird native to northern and eastern Australia and south-central New Guinea. The most wide-ranging of the Australasian orioles, it is noisy and conspicuous. Source

Where it is now

In the last 8 weeks this bird was recorded 485,416 times across 14 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 19°C (typically 17 to 24°C, from 8 areas).

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.