re: #143 Jay C
Only in the book. They tried to breed them from reconstructed ancient DNA, but the wheels never developed quite right.
Now I get the joke in Dangerman’s comment #139. I am slow. I will be slower tomorrow when Daylight Saving Time starts. I’ll be two hours behind Central Time for one hour. Then I’ll be two hours ahead of Pacific time for one hour. Then I’ll be completely confused for a week.