Zwergohreulen.jpg

Public domain This image comes from the book:

Naumann, Naturgeschichte der Vögel Mitteleuropas. 3. Aufl. Neubearb. von G. Berg et al. Hrsg. von Carl R. Hennicke. (Naumann, Natural history of the birds of central Europe, 3rd Ed. Revised by G. Berg et al.; Edited by Carl R. Hennicke.) of 1905 or his earlier works.

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or less.


This work is in the public domain in the published (or registered with the U.S. Copyright Office) before January 1, 1923.