A triple yes.
"Then they're not extinct!"
A disgusted stare.
I realized he couldn't answer till I rephrased that one, or I'd be stuck with wondering if he meant yes, they are, or yes, they aren't. "Are they extinct?" I said.
Headshake.
"And they've got the boys!"
Nod.
"And they're inimical to man, in some way!"
Violent negative.
I stared, confused, into Clatclit's lizardy eyes.