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And while we're talking about freshwater, here's another neat fact: The Great Lakes make up one of our planet’s largest surface freshwater ecosystems, providing 84 per cent of North America's ...

The lake sturgeon is the oldest and largest native fish species in North America’s Great Lakes. Lake sturgeons can grow huge. It’s not unusual to find one six feet long and 200 pounds.

Note This story has been amended to better reflect the results of the study. The Great Lakes are some of North America’s most beautiful and prized bodies of water, but plastic pollution is ...

Once among North America’s most widely distributed land mammals, gray wolves have also been among the most persecuted. State, local and private bounties and a federal extermination program nearly ...