- Rallus aquaticus
25–28 cm (9¾-11 in)
- Olive-brown upperparts, with broad, black streaks
- Grey face, breast and flanks
- Black-and-white barring on rear flanks
- Greyish supercilium.
Brown-cheeked Rail is very similar, differing in browner, less grey cheeks and flanks; it can usually be separated on range, but overlaps locally with Water Rail on their wintering grounds in southern Asia. Young juvenile Common Moorhen is sometimes mistaken for Water Rail by novice birders.
Breeds throughout most of Europe except for the northern half of Scandinavia; also western and central Asia, and northernmost Africa. Western and southern populations are resident, while northeastern birds are migratory. Winters mostly within the southern and western half of the breeding range but also more widely in north Africa and southwestern Asia, and a few reaching east to India and southeastern China.
- R. a. hibernans:
- R. a. aquaticus:
- R. a. korejewi:
Reedbeds, marshes, etc.
A skulker, this bird is much more often located by its piglet-like squeals.
Food includes both invertebrates and plant materials like seeds. Items eaten include worms, leeches, molluscs, shrimps, crayfish, spiders also many terrestrial and aquatic insects and their larvae.
- Tavares, E. L. et al. (2010). Phylogenetic and coalescent analysis of three loci suggest that the Water Rail is divisible into two species, Rallus aquaticus and R. indicus. BMC Evolutionary Biology 10: 226.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Handbook of the Birds of the World Alive (retrieved July 2019)
- BirdForum Opus contributors. (2023) Water Rail. In: BirdForum, the forum for wild birds and birding. Retrieved 7 December 2023 from https://www.birdforum.net/opus/Water_Rail
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