https://en.m.wikipedia.org/wiki/Intersex_(biology)#:~:text=6%20References-,Mammals,DNA%20by%20Lum%20et%20al.

“[it] has been reported in mammals, fishes, nematodes, and crustaceans”.

“[it is] estimated that [up to] 1.4% of pigs are intersex … [up to] 1.7% of humans”.

Beg to differ. 0.05% of 8 billion is still 4 million people. In a world of 8 billion people, percentages aren’t really a good measure for how common something is.

Intersex, people who are born with both types of reproductive organs (yes that happens and it’s more frequent than you’d think)

Sir do you drive on public roads?