I agree with Miss Lydia. My muscovy drakes are about the same size as my ganders, but the muscovy penis is huge, the gander not. Can´t imagine it would do any damage. As for near-drowning, there´s no difference! And if the muscovies don´t like it, it´s not as if they can´t escape! Mine run like the clappers when the young drakes are trying to get them, the ganders would have no chance! I got rid of an extremely randy muscovy drake that was trying to mount my geese, though, he terrified them, they couldn´t out-run him.