Jacky Winter

Microeca fascinans

The jacky winter is a small grey-brown robin found commonly throughout Australia and also in Papua New Guinea. The jacky winter acquired its name due to rapid and strong vocalisations, which sound like jacky-jacky winter-winter. Their call is also often referred to as sounding like peter-peter-peter. Its habitats include open woodlands and farmlands. Source

Where it is now

In the last 8 weeks this bird was recorded 20,085 times across 11 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 18°C (typically 17 to 21°C, from 5 areas). That holds across 20° of latitude, which suggests its timing follows temperature more than the calendar.

Over the weeks it was present in the past year, its centre in Oceania ranged from 33°S in August to 19°S in May, about 1,600 km apart.

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.