The researchers kept removing sections of the turkey until all they were left with was the head of the model. That didn't discourage the males one bit -- just the fake head was enough. That was all probably good data, and helpful to farmers and such who are looking for the best way to breed turkeys. And then the scientists were like "Well, we've come this far. Let's go put a real turkey head on a stick and see if we can get a male turkey to fuck it."
They did, and then they watched as the males frantically humped the severed heads of their lovers. All while at least one scientist in the room tried desperately to hide his erection.
"Fifty bucks says he fucks this, too."