[E. Pluribus Unum]

"Settlers may have brought in mice with the favourable gene that were able to out-compete mice with the native variant," said Dr Pergams.

That's not evolution. That's cross-breeding.

[cookcounty]

"That's not evolution. That's cross-breeding."

Shhhh! Don't tell the evos. We'll just sit here and laugh while they make fools of themselves