Fig. 1. A in Postnatal Growth and Vocalization Development in the Long-fingered Bat, Myotis capaccinii (Chiroptera, Vespertilionidae)

Fig. 1. A comparison between echolocation calls of an adult and newborn long-fingered bat, Myotis capaccinii. (a) Sonogram, showing calls composed of a frequency modulation (FM) component with a variable range of frequencies. (b) Power spectrogram, showing the dominant frequency of the call.