GREBES NESTING IN GULL COLONIES - PROTECTIVE ASSOCIATIONS AND EARLY WARNING

[21] Gochfeld M., 1980, Behavior of Marine Animals, V4, P207

[22] BREEDING ASSOCIATION BETWEEN COMMON GULL LARUS-CANUS AND ARCTIC SKUA STERCORARIUS-PARASITICUS [J]. ORNIS SCANDINAVICA, 1980, 11 (02): : 121 - 124

[23] HARRIS M. P., 1964, IBIS, V106, P432, DOI 10.1111/j.1474-919X.1964.tb03725.x

[24] HILDEN OLAVL, 1965, ANN ZOOL FEN NICI, V2, P53

[25] ADVANTAGES AND DISADVANTAGES OF BANK SWALLOW (RIPARIA-RIPARIA) COLONIALITY [J]. ECOLOGICAL MONOGRAPHS, 1976, 46 (01) : 33 - 58

[26] COLONIAL NESTING AND SOCIAL FEEDING AS STRATEGIES FOR EXPLOITING FOOD RESOURCES IN GREAT BLUE HERON (ARDEA-HERODIAS) [J]. BEHAVIOUR, 1974, 51 (1-2) : 99 - 134

[27] KRUUK H, 1964, BEHAVIOUR S, V11

[28] Lack D., 1968, pvii

[29] LIND HANS, 1963, DANSK ORNITHOL FORENINGS TIDSSKR, V57, P155

[30] MORRIS R D, 1976, Canadian Field-Naturalist, V90, P137

[21] Gochfeld M., 1980, Behavior of Marine Animals, V4, P207

[22] BREEDING ASSOCIATION BETWEEN COMMON GULL LARUS-CANUS AND ARCTIC SKUA STERCORARIUS-PARASITICUS [J]. ORNIS SCANDINAVICA, 1980, 11 (02): : 121 - 124

[23] HARRIS M. P., 1964, IBIS, V106, P432, DOI 10.1111/j.1474-919X.1964.tb03725.x

[24] HILDEN OLAVL, 1965, ANN ZOOL FEN NICI, V2, P53

[25] ADVANTAGES AND DISADVANTAGES OF BANK SWALLOW (RIPARIA-RIPARIA) COLONIALITY [J]. ECOLOGICAL MONOGRAPHS, 1976, 46 (01) : 33 - 58

[26] COLONIAL NESTING AND SOCIAL FEEDING AS STRATEGIES FOR EXPLOITING FOOD RESOURCES IN GREAT BLUE HERON (ARDEA-HERODIAS) [J]. BEHAVIOUR, 1974, 51 (1-2) : 99 - 134

[27] KRUUK H, 1964, BEHAVIOUR S, V11

[28] Lack D., 1968, pvii

[29] LIND HANS, 1963, DANSK ORNITHOL FORENINGS TIDSSKR, V57, P155

[30] MORRIS R D, 1976, Canadian Field-Naturalist, V90, P137