central Siberia along Ischim, Irtysh and Ob Rivers.
Formerly placed in genus Grus; or in Bugeranus together with B. carunculatus on basis of morphological and behavioural similarities, but molecular evidence has revealed deep distinctiveness of present species#R; alternatively, placed in separate monospecific genus, Sarcogeranus, but present monotypic genus (Leucogeranus) has priority. Three wintering subpopulations identified, but no evidence as yet of geographical variation. Monotypic.
Arctic EC Siberia (Yakutia) and W Siberia (basin of R Kunovat, but may be now extinct there; also basins of R Konda and R Alymka). Three wintering areas: middle R Yangtze (mainly Poyang L) in China; Keoladeo (Bharatpur) in India, but not recorded since 2002#R; and S Caspian Sea in Iran.
Food and feeding
Status and conservation
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