Birdsong field guide
Swinhoe's Rail
Coturnicops exquisitus
The Swinhoe's Rail is a diminutive, highly secretive marsh bird and one of the rarest members of the Rallidae family, closely related to the North American Yellow Rail.
What it sounds like
A repetitive, dry, rhythmic series of metallic clicking or knocking sounds, typically described as 'chak-chak-chak'.
Field notes
- It is one of the world's smallest rails, reaching a total length of only about 13 centimeters.
- Unlike most other rails, it displays prominent white secondary feathers that are highly visible as white wing patches during flight.
- It is categorized as Vulnerable by the IUCN due to the rapid loss of its specialized wetland habitats across Asia.
- The species is notoriously difficult to flush, preferring to run through dense grass and sedge like a rodent rather than take wing.
- Its plumage features a complex pattern of black, tawny, and white streaks that provide near-perfect camouflage in dry marsh vegetation.
Habitat
Short-grass marshes, wet meadows, and the drier peripheries of reedbeds with shallow water.
Range
Breeds in southeastern Russia and northeastern China; winters primarily in Japan, South Korea, and southern China.
Similar & commonly confused birds
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