I’m not sure on the specific definition of “bestiality” and whether “sexual pleasure of the executing party” or whatever you want to call it is a necessity, but consent should certainly be a part of it.
Animals are, similar to children, students etc, fundamentally incapable of giving consent. If your gynecologist sticks a finger up your vagina without your consent, then it’s rape.
It fits with the overall theme, I guess.
https://xcancel.com/WhiteHouse/status/2029307088808055083