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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Behav Processes. 2010 Dec 9;86(2):216–221. doi: 10.1016/j.beproc.2010.12.001

Figure 1.

Figure 1

Spectrogram illustrating call types of silver foxes toward an approaching human: (a) whine of a Tame fox, (b) pant of a Tame fox, (c) cackle of a Tame fox, (d) moo of an Unselected fox, (e) growl of an Unselected fox, (f) snort of an Aggressive fox, (g) cough of an Aggressive fox, (h) bark of an Aggressive fox.