What is the only species where the males give birth?

One of the most enduring tropes in film and TV is the pregnant woman, in labor, gripping the father-to-be by the arm with incredible strength and screaming, "This is all your fault!"

But if we lived in a world where one particular species was making all the entertainment content out there instead of us humans (or 99.9% of every other living creature), that classic scene just might get reversed.

What species is the only one where males grab their partners and scream at them — I mean, uh, give birth?

Click START to answer.