FUNCTIONAL-ASPECTS OF PROLONGED PARENTAL CARE IN BEWICKS SWANS

[1] PROLONGED PARENTAL CARE IN ROYAL TERNS AND OTHER BIRDS [J]. AUK, 1968, 85 (01): : 90 - &

[2] TESTING AN OBSERVERS ABILITY TO IDENTIFY INDIVIDUAL ANIMALS [J]. ANIMAL BEHAVIOUR, 1977, 25 (FEB) : 247 - 248

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

[4] LOGICAL STAG - ADAPTIVE ASPECTS OF FIGHTING IN RED DEER (CERVUS-ELAPHUS L) [J]. ANIMAL BEHAVIOUR, 1979, 27 (FEB) : 211 - 225

[5] ERVIN S, 1977, BIRD BANDING, V48, P97

[6] Evans M.E., 1978, Wildfowl, V29, P118

[7] Evans Mary E., 1977, Wildfowl, V28, P153

[8] EVANS ME, 1978, THESIS U WALES

[9] POST-FLEDGING PARENTAL CARE IN CRESTED AND SOOTY TERNS [J]. CONDOR, 1975, 77 (03): : 368 - 370

[10] GRIMES LG, 1976, 16TH P INT ORN C, P667

[1] PROLONGED PARENTAL CARE IN ROYAL TERNS AND OTHER BIRDS [J]. AUK, 1968, 85 (01): : 90 - &

[2] TESTING AN OBSERVERS ABILITY TO IDENTIFY INDIVIDUAL ANIMALS [J]. ANIMAL BEHAVIOUR, 1977, 25 (FEB) : 247 - 248

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

[4] LOGICAL STAG - ADAPTIVE ASPECTS OF FIGHTING IN RED DEER (CERVUS-ELAPHUS L) [J]. ANIMAL BEHAVIOUR, 1979, 27 (FEB) : 211 - 225

[5] ERVIN S, 1977, BIRD BANDING, V48, P97

[6] Evans M.E., 1978, Wildfowl, V29, P118

[7] Evans Mary E., 1977, Wildfowl, V28, P153

[8] EVANS ME, 1978, THESIS U WALES

[9] POST-FLEDGING PARENTAL CARE IN CRESTED AND SOOTY TERNS [J]. CONDOR, 1975, 77 (03): : 368 - 370

[10] GRIMES LG, 1976, 16TH P INT ORN C, P667