Hitherto placed in monotypic genus Philomachus, but recent study indicates that latter is embedded within Calidris#R (see also under Tribe Calidrini). Since type species of Philomachus and Calidris were first proposed in same work, no clear priority prevails; First Reviser#R selected Calidris as having priority over Philomachus when species canutus and pugnax considered congeneric. Monotypic.
NW & N Europe E through Siberia to Chukotskiy Peninsula and Sea of Okhotsk. Winters from W Europe, Mediterranean and sub-Saharan Africa through Middle East to Indian Subcontinent and SE Asia, also Greater Sundas and Philippines.
Food and feeding
Status and conservation
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