I always enjoyed watching when the rattlesnakes I used to keep would yawn like that & stretch their fangs.And while those phobic about snakes might see this a bit differently
you can clearly see these are just their tools to survive (in the same way we have hands & arms), and not some force for imaginary evil against humans or other creatures not intended as prey. Cute little viper. Like a wire-haired terrier in a snake's body.
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