These behavioural changes were accompanied by physical alterations, which included piebald coats, floppy ears in pups, and curled tails, similar to traits that distinguish domestic dogs from wolves.
Estes cambios de comportamento viñeron acompañados de cambios físico, como gadoupas acolchadas, orellas colgantes en crías e colas enroladas, semellantes ós trazos que distinguen os cans domésticos dos lobos.