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机译:Range expansion by Passer montanus in North America
Univ Nebraska, Sch Nat Resources, Nebraska Cooperat Fish & Wildlife Res Unit, Lincoln, NE 68583 USA;
Dept Agron & Hort, Nebraska Cooperat Fish & Wildlife Res Unit, Lincoln, NE USA;
Univ Nebraska, US Geol Survey, Nebraska Cooperat Fish & Wildlife Res Unit, Lincoln, NE USAUniv Nebraska, Sch Nat Resources, Lincoln, NE USADept Wildlife Ecol & Conservat, Gainesville, FL USA;
Passer montanus; Range expansion; Spread; Non-indigenous; Christmas Bird Count;