Die Schnee-Eule
Subtitle: Nyctea scandiaca
By: von L. A. Portenko.
Series: Die Neue Brehm- Bücherei,; 454
Publisher: A. Ziemsen
Published: 1972
Place of publication: Wittenberg Lutherstadt
Language: ger
Number of pages: 232
Subjects: Snowy owl.
Notes: Bibliography: p. 213-228.