13 Creatures That Are More Common Now Than 100 Years Ago (And Why That’s Not Always Good)
More doesn’t always mean better. Some animals have exploded in numbers over the last century—and not always for reasons that make ecologists smile. They’ve taken over suburbs, invaded coastlines, clogged rivers, and rattled ecosystems that once lived in delicate balance. These creatures aren’t just surviving… they’re multiplying like it’s a competition. And the winners?Often the …










