If you haven't heard the news, the Potomac River is the healthiest it has been in decades. And as happy as we are about that, we can't possibly be as happy as the fish, birds, and four-legged friends we share this river with.

Thanks to improving water quality and conservation efforts, we're seeing a return of some spectacular animals that have long been in decline.

Here are some of the animals that are heading back into our neck of the woods — or should we say bend in the river.