Summary: The United States is home to more than 550 National Wildlife Refuges - havens for wildlife, including this Canvasback. But only one refuge can claim the distinction of being international: the Detroit River International Wildlife Refuge.
Summary: The United States is home to more than 550 National Wildlife Refuges - havens for wildlife, including this Canvasback. But only one refuge can claim the distinction of being international: the Detroit River International Wildlife Refuge.