Glimpses of Migration: Mule Deer Swimming || A group of migrating deer reaches Fremont Lake, the longest water crossing on their 100 mile migration in western Wyoming. They are strong swimmers, but crossings are still risky especially for fawns born just four months earlier. After testing different spots along the shoreline, the lead doe commits fully to the swim. The rest follow quickly — two crossing does is enough to convince the others. One deer turns around halfway across, swimming back thr