Fan-tailed Cuckoo

Cacomantis flabelliformis

The fan-tailed cuckoo is a species of cuckoo in the family Cuculidae. It is found in Australia, Fiji, New Caledonia, New Guinea, Solomon Islands, and Vanuatu. Source

Where it is now

In the last 8 weeks this bird was recorded 510,953 times across 15 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 13 to 24°C, from 10 areas). That range is wide, so temperature alone does not explain when it turns up.

Over the weeks it was present in the past year, its centre in Oceania ranged from 38°S in December to 23°S in March, about 1,700 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.