THE EVOLUTION OF BILL SIZE DIFFERENCES AMONG SYMPATRIC CONGENERIC SPECIES OF BIRDS

[1] ECOLOGY AND THE EVOLUTION OF SOME HAWAIIAN BIRDS [J]. EVOLUTION, 1947, 1 (1-2) : 63 - 68

[2] BENT AC, 1919, B US NAT MUS

[3] BETTS MM, 1955, J ANIM ECOL, V24, P283

[4] Blake ER, 1953, BIRDS MEXICO GUIDE F

[5] Bond J., 1961, BIRDS W INDIES

[6] BOWMAN ROBERT I., 1961, UNIV CALIFORNIA PUBL ZOOL, V58, P1

[7] CHARACTER DISPLACEMENT [J]. SYSTEMATIC ZOOLOGY, 1956, 5 (02): : 49 - 64

[8] Carriker M. A., 1910, ANN CARNEGIE MUSEUM, V6, P314

[9] Delacour J., 1946, BIRDS PHILIPPINES

[10] DICKEY DR, 1938, FIELD MUS NAT HIS 23, V406, P1

[1] ECOLOGY AND THE EVOLUTION OF SOME HAWAIIAN BIRDS [J]. EVOLUTION, 1947, 1 (1-2) : 63 - 68

[2] BENT AC, 1919, B US NAT MUS

[3] BETTS MM, 1955, J ANIM ECOL, V24, P283

[4] Blake ER, 1953, BIRDS MEXICO GUIDE F

[5] Bond J., 1961, BIRDS W INDIES

[6] BOWMAN ROBERT I., 1961, UNIV CALIFORNIA PUBL ZOOL, V58, P1

[7] CHARACTER DISPLACEMENT [J]. SYSTEMATIC ZOOLOGY, 1956, 5 (02): : 49 - 64

[8] Carriker M. A., 1910, ANN CARNEGIE MUSEUM, V6, P314

[9] Delacour J., 1946, BIRDS PHILIPPINES

[10] DICKEY DR, 1938, FIELD MUS NAT HIS 23, V406, P1