And so, in addition to digging, I think we have some answers from the dinosaur record. I think these dinosaurs migrated -- we call it dispersal -- around the globe, with the slightest land bridge.
Assim, para além de escavarmos, penso que temos algumas respostas no registo dos dinossauros. Penso que estes dinossauros migraram — chamamos-lhe dispersão — pelo globo,