FOODS OF GREAT SKUAS CATHARACTA-SKUA AT NORTH-ATLANTIC BREEDING LOCALITIES

[21] GUDMUNDSSON F, 1954, NATTURUFRAEDINGURINN, V24, P123

[22] Ingram C., 1949, British Birds, V42, P223

[23] JACKSON EE, 1966, SCOT BIRDS S, V4

[24] JOENSEN ANDERS HOLM, 1963, DANSK ORNITHOL FORENINGS TIDSSDR, V57, P1

[25] Lockie J. D., 1952, Scottish Naturalist, V64, P158

[26] MAWBY PJ, 1969, 9 BRATH EXPL GROUP F

[27] MAWBY PJ, 1971, 18 BRATH EXPL GROUP

[28] MAWBY PJ, 1970, 14 BRATH EXPL GROUP

[29] MAWBY PJ, 1972, 24 BRATH EXPL GROUP

[30] Meinertzhagen R., 1941, Ibis, P105

[21] GUDMUNDSSON F, 1954, NATTURUFRAEDINGURINN, V24, P123

[22] Ingram C., 1949, British Birds, V42, P223

[23] JACKSON EE, 1966, SCOT BIRDS S, V4

[24] JOENSEN ANDERS HOLM, 1963, DANSK ORNITHOL FORENINGS TIDSSDR, V57, P1

[25] Lockie J. D., 1952, Scottish Naturalist, V64, P158

[26] MAWBY PJ, 1969, 9 BRATH EXPL GROUP F

[27] MAWBY PJ, 1971, 18 BRATH EXPL GROUP

[28] MAWBY PJ, 1970, 14 BRATH EXPL GROUP

[29] MAWBY PJ, 1972, 24 BRATH EXPL GROUP

[30] Meinertzhagen R., 1941, Ibis, P105