Daily flights of rooks Corvus frugilegus Linnaeus
Subtitle: 1758 and jackdaws Corvus monedula Linnaeus, 1758 wintering in Cracow
Series: Acta zoologica Cracoviensia -- tom XVI, nr. 18
Publisher: Zakład Zoologii Systematycznej i Doświadczalnej Polskiej Akademii Nauk
Published: 1971
Place of publication: Kraków
Language: eng
Number of pages: 772
Notes: Added titles and summaries in Polish and Russian.

Bibliography: p. 768-769.