Assertion: bird's call | /r/CapableOf | nest in hollow trees
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text: The common swift (Apus apus), called simply “swift” in Great Britain, is a soft-tailed, black bird that breeds across Eurasia and winters in southern Africa, nesting in buildings and hollow trees; nine other Apus swifts are found throughout temperate regions of the Old World, and some Apus species inhabit South America.