Why would two stubby-legged, blue-tongued Australian reptiles want to stay together not just for a mating season, but for decades? A 31-year study of the reptiles has suggested an answer. While newly formed couples are still getting to know each other, lizards in long-term relationships can start mating earlier in the season. And dispensing with the foreplay might give them a reproductive advantage over their casually dating neighbors.
Tiliqua rugosa is a species of blue-tongued skink tha