We expected to see similar call characteristics in recordings obtained from shallow bodies of water and also hypothesized that calls recorded from shallow bodies of water would differ in their characteristics from calls recorded in deeper bodies of water. When putting the recordings in Raven Pro to create a spectrogram, we noticed an overall similarity in the structure of notes, being that they appeared as a mixture of “whistles” and “squeaks” (Garland et al. 2015). However, once the peak frequency, note duration and note rate were analyzed using Raven, the values did not coincide with our proposed hypothesis.
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