论文信息 - Spring and fall migrations of peregrine falcons in central Alberta, 1979-1983, with comparisons to 1969-1978 - 字舞流文

Spring and fall migrations of peregrine falcons in central Alberta, 1979-1983, with comparisons to 1969-1978

[1] W. Godfrey,et al. The birds of Canada , 1966 .

[2] Frank L. Beebe. The Marine Peregrines of the Northwest Pacific Coast , 1960 .