“What are they?” she asked. “Chameleons of unparalleled skill, obviously. Although I’m not sure one is entirely justified in referring to them as chameleons, since technically chameleons have only the ability—” “What are they?” Sarah said impatiently. “Actually, I’d say they’re Carnotaurus sastrei. Type specimen’s from Patagonia. Three meters in height, with distinctive heads—you notice the short, bulldog snouts, and the pair of large horns above the eyes? Almost like wings—”