Snopes says it’s “Mostly true” in that they don’t know the origins of the color photo but the black and white one is authentic: https://www.snopes.com/fact-check/frog-eyes-inside-mouth/
Snopes says it’s “Mostly true” in that they don’t know the origins of the color photo but the black and white one is authentic: https://www.snopes.com/fact-check/frog-eyes-inside-mouth/
That seems… inconvenient.
maybe their mouth is so open so often that this is more effective for them.