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. Author manuscript; available in PMC: 2015 May 4.
Published in final edited form as: Anim Cogn. 2012 Apr 27;15(5):1015–1019. doi: 10.1007/s10071-012-0508-8

Fig. 1.

Fig. 1

Carrion crows’ behavioral responses to familiar and unfamiliar human voices. Y-axis shows number of behavioral responses to the playback stimuli (n = 8)