Corn Crake
CR

Corn Crake

Crex crex

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Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Corn_crake

Overview

The corn crake, corncrake or landrail is a bird in the rail family. It breeds in Europe and Asia as far east as western China, and migrates to Africa for the Northern Hemisphere's winter. It is a medium-sized crake with buff- or grey-streaked brownish-black upperparts, chestnut markings on the wings, and blue-grey underparts with rust-coloured and white bars on the flanks and undertail.

The strong bill is flesh-toned, the iris is pale brown, and the legs and feet are pale grey. Juveniles are similar in plumage to adults, and downy chicks are black, as with all rails. There are no subspecies, although individuals from the east of the breeding range tend to be slightly paler than their western counterparts.

The male's call is a loud krek krek, from which the scientific name is derived. The...

The Corn Crake has experienced severe population declines primarily due to agricultural intensification and changes in farming practices across its European breeding range. Traditional hay meadows and extensive grassland management have been replaced by intensive agriculture with earlier and more frequent mowing, which destroys nests and kills adults during the breeding season. Habitat loss and fragmentation have reduced suitable breeding areas, while the species' secretive nature and specific habitat requirements make it particularly vulnerable to landscape-level changes.

Threat summary

Habitat

thumb The corn crake breeds from Ireland east through Europe to central Siberia. Although it has vanished from much of its historic range, this bird was once found in suitable habitats in Eurasia everywhere between latitudes 41°N and 62°N. the Seychelles, the Faroe Islands, the Azores, Madeira, and the Canary Islands.

The corn crake is mainly a lowland species, but breeds up to altitude in the...

TERRESTRIAL· major

Frequently asked questions

Why is Corn Crake classified as Critically Endangered?
Corn Crake is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. The Corn Crake has experienced severe population declines primarily due to agricultural intensification and changes in farming practices across its European breeding range. Traditional hay meadows and extensive grassland management have been replaced by intensive agriculture with earlier and more frequent mowing, which destroys nests and kills adults during the breeding season. Habitat loss and fragmentation have reduced suitable breeding areas, while the species' secretive nature and specific habitat requirements make it particularly vulnerable to landscape-level changes.
Where does Corn Crake live?
Corn Crake occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Corn Crake?
The main threats to Corn Crake are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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