20 U.S. Rivers With the Strongest Otter Populations — Wildlife Experts Reveal Where
They vanished from many waterways for decades—now they’re back, and they’re making a splash. North American river otters are reclaiming their territory with playful energy and impressive resilience. Once nearly wiped out by habitat loss and trapping, these sleek swimmers are now thriving in some of the most unexpected places across the U.S. You might …