COMFORT MOVEMENTS OF ANATIDAE

[1] Andrew R. J., 1956, British Journal of Animal Behaviour, V4, P85, DOI 10.1016/S0950-5601(56)80127-5

[2] ARMSTRONG EA, 1950, SYM SOC EXP BIOL, V4, P361

[3] BAERENDS GP, 1950, BEHAVIOUR SI

[4] BAERENDS GP, 1959, S SOCIETY EXPERIMENT, V101, P357

[5] BANKO WE, 1960, TRUMPETER SWAN

[6] BEER C. G., 1961, BEHAVIOR, V18, P62, DOI 10.1163/156853961X00286

[7] BENT AC, 1925, B US NAT MUS, P130

[8] BLOUNT WP, 1947, DISEASES POULTRY

[9] ON ENCOUNTERS BETWEEN WILD WHITE-FRONTED GEESE IN WINTER FLOCKS [J]. BEHAVIOUR, 1953, 5 (02) : 85 - 129

[10] Crooks J. H., 1961, P125

[1] Andrew R. J., 1956, British Journal of Animal Behaviour, V4, P85, DOI 10.1016/S0950-5601(56)80127-5

[2] ARMSTRONG EA, 1950, SYM SOC EXP BIOL, V4, P361

[3] BAERENDS GP, 1950, BEHAVIOUR SI

[4] BAERENDS GP, 1959, S SOCIETY EXPERIMENT, V101, P357

[5] BANKO WE, 1960, TRUMPETER SWAN

[6] BEER C. G., 1961, BEHAVIOR, V18, P62, DOI 10.1163/156853961X00286

[7] BENT AC, 1925, B US NAT MUS, P130

[8] BLOUNT WP, 1947, DISEASES POULTRY

[9] ON ENCOUNTERS BETWEEN WILD WHITE-FRONTED GEESE IN WINTER FLOCKS [J]. BEHAVIOUR, 1953, 5 (02) : 85 - 129

[10] Crooks J. H., 1961, P125