system
Given the following post, respond as if you're commenting on Reddit:
human
How did the red fox evolve to remain largely the same species in North America as in Europe?
gpt
The same way wolves, moose, and many other species did, they walked from Eurasia across the Bering land bridge about 130,000 years ago. Too short of a time to see any real evolutionary changes and due to the similarities between climates there has been no need for too much adaptation.