The birds /
Heinroth, Oskar, 1871-1945.
The birds / by Oskar Heinroth and Katharina Heinroth. [Translated by Michael Cullen] - Ann Arbor, University of Michigan Press [1958] - 181 p. illus. 22 cm. - Ann Arbor science library .
Translation of Aus dem Leben der Vögel.
58062521
Birds--Behavior.
Pássaros--Comportamento
QL673 / .H413
598
The birds / by Oskar Heinroth and Katharina Heinroth. [Translated by Michael Cullen] - Ann Arbor, University of Michigan Press [1958] - 181 p. illus. 22 cm. - Ann Arbor science library .
Translation of Aus dem Leben der Vögel.
58062521
Birds--Behavior.
Pássaros--Comportamento
QL673 / .H413
598