Fig. 2From: Behavioral-psychological motivations encoded in the vocal repertoire of captive Amur tiger (Panthera tigris altaica) cubsSpectrograms of nine call types of captive Amur tiger cubs. Spectrograms of Ar-1, Ar-2, Chuff, Growl, Er, eee, Haer, Hiss, and Roar are shown in (A)–(I), separately. The spectrograms were created at a FFT size of 2048, Hann window of 1024 samples, and overlap of 50%Back to article page