After some noise filtering and amplification three things emerge to recommend this as a sasquatch howl.
First, the familiar arched shape of a "moaning" howl, seen in both the Ohio and Mississippi video spectrograms.
Second, it shows an attenuated fundamental with strongest resonance in the F1 harmonic.
And third (and more importantly), there appear to be three deep wood knocks integrated into the howl, one at the beginning, and two at the end.
Integrated wood knocks are a key feature to look for in sasquatch vocals, and this capture has them. So +1 for the Florida Howl being the real deal.