Colour variation and sex identification in the rock ptarmigan (Lagopus mutus) in Finland.
Series: Suomalainen Tiedeakatemian Toimituksia. Annales Academiae Scientarium Fennicae, Series A, IV: Biologica, 160
Publisher: Suomalainen tiedeakatemia
Published: 1970
Place of publication: Helsinki
Language: eng
Subjects: Rock ptarmigan -- Color.; Rock ptarmigan -- Sexing.; Birds -- Color.; Birds -- Sexing.; Birds -- Finland.
Notes: Bibliography: p. 6.
Cover title.