WINTERING BLACKCAPS IN BRITAIN AND IRELAND

[1] Dachy P., 1965, Gerfaut, V55, P371

[2] MIGRATION-SEASONS OF SYLVIA WARBLERS AT BRITISH BIRD OBSERVATORIES [J]. BIRD STUDY, 1967, 14 (02) : 65 - &

[3] FARNER DS, 1966, AM NAT, V100, P403

[4] GLADWIN T, BTO NEWS, V39, P1

[5] Haftorn S, 1971, NORGES FUGLER

[6] HARDY E, 1978, BIRD STUDY, V25, P60

[7] JARVINEN O, 1977, Ornis Fennica, V54, P30

[8] JORGENSEN OH, 1970, FELTORNITHOLOGEN, V12, P113

[9] KLEIN H, 1973, Vogelwarte, V27, P73

[10] LANGSLOW D R, 1976, Ringing and Migration, V1, P78

[1] Dachy P., 1965, Gerfaut, V55, P371

[2] MIGRATION-SEASONS OF SYLVIA WARBLERS AT BRITISH BIRD OBSERVATORIES [J]. BIRD STUDY, 1967, 14 (02) : 65 - &

[3] FARNER DS, 1966, AM NAT, V100, P403

[4] GLADWIN T, BTO NEWS, V39, P1

[5] Haftorn S, 1971, NORGES FUGLER

[6] HARDY E, 1978, BIRD STUDY, V25, P60

[7] JARVINEN O, 1977, Ornis Fennica, V54, P30

[8] JORGENSEN OH, 1970, FELTORNITHOLOGEN, V12, P113

[9] KLEIN H, 1973, Vogelwarte, V27, P73

[10] LANGSLOW D R, 1976, Ringing and Migration, V1, P78