An analysis of the spring migration of the common scoter and the long-tailed duck in southern Finland
By: by Göran Bergman and Kai Otto Donner.
Contributors: Donner, K. O.
Series: Acta zoologica Fennica,; 105
Published: 1964
Place of publication: Helsinki
Language: eng
Number of pages: 59
Subjects: Black scoter -- Migration -- Finland.; Long-tailed duck -- Migration -- Finland.; Birds -- Migration -- Finland.
Notes: Bibliography: p. 57-59.