Large Hawk-Cuckoo

Hierococcyx sparverioides

The large hawk-cuckoo is a species of cuckoo in the family Cuculidae. It has a wide breeding distribution from temperate Asia along the Himalayas extending to East Asia. Many populations winter further south. They are known for their loud and repetitive calls which are similar to that of the common hawk-cuckoo but do not rise in crescendo. They are also somewhat larger and adults can be readily told apart from the smaller common hawk-cuckoo by the black patch on the chin. They are brood-parasites of babblers and laughing-thrushes. Source

Where it is now

In the last 8 weeks this bird was recorded 2 times across 1 area (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in Asia ranged from 23°N in March to 32°N in May, about 1,000 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.