ECOLOGY AND POPULATIONS

Abstract

Alm, B., Myhrberg, H., Nyholm, E., & Svensson, S. 1966. Densities of birds in alpine heaths.Ellinthorpe‐White, S. L. 1966. Winter populations and movements of Wildfowl at Falsterbo Peninsula:January to March 1964.Ernholdt, T. 1966. (The occurrence of the Golden Oriole (Oriolus oriolus) in Sweden 1944–1964.)Grant, P. R. 1966. The coexistence of two wren species of the genus Thryothorus.Grenquist, P. 1966. A summary of changes in abundance of Finnish duck and sea‐bird populations in four southern archipelago areas 1950–1962 and some causes influencing them.Lindberg, P. 1966. (Irruption of the Pygmy Owl (Gluucidium passrinum) into Southern Scandinavia, 1963–64.)Olney, P. J. S. 1966. Berries and birds.Pitman, C. S. R. 1962. Waterfowl predation in Canada by the Northern Pike (or Jackfish) Esox luciusPynnonen, A. 1963. (Variations in the abundance of the Hazel Grouse (Tetrastes bonusia).)Uusvaara, O. 1963. (The structure of the habitats of the Hazel Grouse (Tetrustes bonasia).)