Loss of nesting sites is not a primary factor limiting northern Chimney Swift populations von Fitzgerald, Trina M, van Stam, Elisabeth, Nocera, Joseph J, Badzinski, Debra S

Volltext

Population trend status of Ontario's forest birds von Blancher, Peter J, Phoenix, R. Dean, Badzinski, Debra S, Cadman, Michael D, Crewe, Tara L, Downes, Constance M, Fillman, Don, Francis, Charles M, Hughes, Jack, Hussell, David J.T, Lepage, Denis, McCracken, Jon D, McNicol, Donald K, Pond, Bruce A, Ross, R. Ken, Russell, Rich

Volltext