Balfour, E., Anderson, A. & Dunnet, G. M. 1967. Orkney Cormorants—their breeding distribution and dispersal.

Bernis, F. 1966. El Buitre Negro Aegypius monachus en Iberia.

Boase, H. 1965. Movements of the Mute Swan in East Scotland.

Boylan, P. J. 1967. Western Atlantic Fulmars on the East Yorkshire coast.

Bray, R. P. 1966. Progress report on the Pheasant Study, 1965.

Brown, L. H. 1965. Redwinged starlings of Kenya.

Brown, L. H. 1965. Observations on Verreaux's Eagle Owl Bubo lacteus (Temminck) in Kenya.

Caldwell, L. D. 1964. Dove production and nest-site selection in southern Michigan.

Campbell, B. 1965. The Crested Tit. Forestry Commission leaflet No. 41.

Dowsett, R. J. 1967. Breeding biology of Lamprotornis mevesii (Wahlberg).

Evans, P. R. 1966. Some results from the ringing of Rock Pipits on Skokholm, 1952–65.

Harris, S. W., Morse, M. A. & Longley, W. H. 1963. Nesting and production of the Mourning Dove Zenaidura macroura in Minnesota.

Hewson, R. 1967. The Rock Dove in Scotland in 1965.

Hilden, O. 1965. Zur Brutbiologie des Temminckstrandlaüfers Calidris temininckii (Leisl.).

Lind, E. A. 1964. Nistzeitliche Geselligkeit der Mehlschwalbe Delichon u. urbica

Macdonald, D. 1965. Notes on the Corn Bunting in Sutherland.

Macmillan, A. T. 1965. The Collared Dove in Scotland.

Nelson, J. B. 1964. Some aspects of breeding biology and behaviour of the North Atlantic Gannet on the Bass Rock.

Newton, I. 1964. The breeding biology of the Chaffinch.

Nickell, W. P. 1965. Habitats, nesting, and territory of the Catbird.

Nyholm, E. S. 1965. Ecological observations on the geese of Spitzbergen.

Pinder, R. 1966. The Cape Pigeon Duption capensis Linnaeus at Signy Island, South Orkney Iskands.

Richdale, L. E. 1965. Biology of the birds of Whero Island, New Zealand, with special reference to the Diving Petrel and the White-faced Storm Petrel.

Rogers, J. P. & Korschgen, L. J. 1966. Foods of Lesser Scaups on breeding, migration and wintering areas.

RYDER, J. P. 1967. The breeding biology of Ross' Goose in the Perry River region, Northwest Territories.

Sandeman, G. L. 1963. Roseate and Sandwich Tern colonies in the Forth and neighbouring areas.

Siegfried, W. R. 1967. The distribution and status of the Black Stork in southern Africa.

Soikkeli, M. 1964. The distribution of the Southern Dunlin Calidris alpina schinzii in Finland.

Speidel, G. 1966. Adelie Penguins in the Milwaukee County Zoo.

Suetens, W. & Groenendael, P. Van. 1966. Ecología y conducta reproductora del Buitre Negro Aegypius monachus.

Taylor, W. K. 1966. Additional records of Black-tailed Gnatcatchers Polioptila melanura parasitized by the dwarf-headed cowbird Molothrus ater

Valverde, J. A. 1966. Sobre Buitres Negros en Andalucia.

Waters, W. E. 1963. Observations on the Fulmar at St. Kilda.

Waters. W. E. 1964. Observations on small petrels at St. Kilda. 1961–62. Scott.