One area of purported evidence for the existence of bigfoot / sasquatch is vocalizations. Many recordings of varying quality are available either on the internet or by retail sales.

One problem with sound identification is that to my knowledge there are no publicly available videos showing a sasquatch making a vocalization.

So for the sake of clarity I have drawn up what I call three “Guidelines for Sound Identification”.  I would consider this a sort of “rules of engagement” when discussing possible sasquatch sounds.

If anyone has any ideas for what should be added or changed please let me know. I would like this to be a collaborative effort among those serious researchers who concentrate on audio recording.

Comments are welcome.

Guideline # 1

“To identify a sound as belonging to a certain species requires an audio recording of sufficient quality and volume to be analyzed in sound editing software. The sound must then be compared to a sound recording of a known species. A poor quality recording that has been distorted with bad filtering techniques is next to worthless.”

Two examples of poor quality sound recordings, due to the poor field recording equipment available 30 years ago.

1973 Whoop-Howl from Puyallup, Washington

1978 Whoop-Howl from Snohomish County, Washington

Two examples of better quality sound recordings.

2006 – Illinois howl

2009 – Colorado Howl

Guideline # 2

“A soundscape is made up many sounds coming from various sources. The unknown sound does not necessarily belong to any of the predominent sounds. Just because you hear a cow or a coyote does not mean that all the sounds recorded are of cows or coyotes.”

Example # 1 The following sounds can be heard on this two minute clip – dogs, coyote, Illinois Howl, dog howling, wild turkey.

Illinois Howl – 4 Apr 2006

Example # 2 – The following sounds can be heard on this two minute clip – coyote ,  cattle,  Illinois howl, dog, cattle, coyote, dogs.

Illinois Howl – 12 Apr 2006

Guideline # 3

“To illustrate a point about a sound you need to be able to produce a sound clip that matches your example. Don’t say ‘I hear that sound all the time’ but then be unable to produce a recording.”