SPECIALIZATION IN FEEDING LOCATION BY HERRING GULLS

[1] CONDER PJ, 1953, 1952 SKOKH BIRD OBS, P30

[2] Davis J.W.F., 1974, Nature Wales, V14, P85

[3] DAVIS JWF, 1973, THESIS U OXFORD

[4] DRURY WH, 1968, EVOLUTION, V22, P193, DOI 10.1111/j.1558-5646.1968.tb03462.x

[5] Goethe F., 1958, Natur und Volk, V88, P181

[6] Gross A. O., 1940, Bird-Banding, V11, P129, DOI 10.2307/4509634

[7] HARRIS M P, 1969, British Birds, V62, P70

[8] HARRIS M P, 1969, British Birds, V62, P129

[9] HARRIS M. P., 1965, IBIS, V107, P45

[10] RATES AND CAUSES OF INCREASES OF SOME BRITISH-GULL POPULATIONS [J]. BIRD STUDY, 1970, 17 (04) : 325 - +

[1] CONDER PJ, 1953, 1952 SKOKH BIRD OBS, P30

[2] Davis J.W.F., 1974, Nature Wales, V14, P85

[3] DAVIS JWF, 1973, THESIS U OXFORD

[4] DRURY WH, 1968, EVOLUTION, V22, P193, DOI 10.1111/j.1558-5646.1968.tb03462.x

[5] Goethe F., 1958, Natur und Volk, V88, P181

[6] Gross A. O., 1940, Bird-Banding, V11, P129, DOI 10.2307/4509634

[7] HARRIS M P, 1969, British Birds, V62, P70

[8] HARRIS M P, 1969, British Birds, V62, P129

[9] HARRIS M. P., 1965, IBIS, V107, P45

[10] RATES AND CAUSES OF INCREASES OF SOME BRITISH-GULL POPULATIONS [J]. BIRD STUDY, 1970, 17 (04) : 325 - +