Gray Shrikethrush

Colluricincla harmonica

The grey shrikethrush or grey shrike-thrush, formerly commonly known as grey thrush, is a songbird of Australasia. It is moderately common to common in most parts of Australia, but absent from the driest of the inland deserts. It is also found in New Guinea. Source

Where it is now

In the last 8 weeks this bird was recorded 655,927 times across 21 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 20°C (typically 16 to 22°C, from 6 areas). That holds across 25° 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.