DEENA: We're almost out of time. Any secrets you'd like to share with the folks at home?
PROTO ANDY: Here's a shocker. Based on my bones, scientists can't tell if I used to be a dino-guy or a dino-girl.
DEENA: How embarrassing!
PROTO ANDY: Tell me about it. Scientists have found two different types of Protoceratops skulls. One has a low face and inclined frill, and the other has a deeper snout with a small horn-like bump above the nose and a more vertical frill. Unfortunately, it's impossible to know for sure which skull is male and which is female.
DEENA: We've come to the end of another edition of . Proto Andy, you've been wonderful. This is Deena Soris saying farewell to all my paleo pals out there.
See you next time.