METHODS AND ANNUAL SEQUENCE OF FORAGING BY SAPSUCKER

[1] BAIRD SF, 1874, LAND BIRDS, V2

[2] BATTS H. LEWIS, 1953, WILSON BULL, V65, P198

[3] BEAL FEL, 1911, 37 US DEP AGR BIOL S

[4] BENDIRE CE, 1888, AUK, V5, P225

[5] Bolles F., 1892, AUK, V9, P109

[6] BOLLES F, 1891, AUK, V8, P256

[7] FORBUSH EH, 1921, 1920 MASS DEP AGR AN

[8] Foster W. L., 1966, Living Bird, V5, P87

[9] HOWELL THOMAS R., 1952, CONDOR, V54, P237, DOI 10.2307/1364941

[10] HOWELL THOMAS R., 1953, AUK, V70, P118

[1] BAIRD SF, 1874, LAND BIRDS, V2

[2] BATTS H. LEWIS, 1953, WILSON BULL, V65, P198

[3] BEAL FEL, 1911, 37 US DEP AGR BIOL S

[4] BENDIRE CE, 1888, AUK, V5, P225

[5] Bolles F., 1892, AUK, V9, P109

[6] BOLLES F, 1891, AUK, V8, P256

[7] FORBUSH EH, 1921, 1920 MASS DEP AGR AN

[8] Foster W. L., 1966, Living Bird, V5, P87

[9] HOWELL THOMAS R., 1952, CONDOR, V54, P237, DOI 10.2307/1364941

[10] HOWELL THOMAS R., 1953, AUK, V70, P118