Until recently, the cause of death of thousands of bald eagles and other birds across the Southern United States remained a mystery. Researchers discovered the culprit was a type of cyanotoxin growing on the invasive aquatic plant hydrilla, which was in turn being consumed by the birds.

Read the full story by our Vegetation Coordinator Karen Laitala, and double-down on how you can help prevent the spread of aquatic invasive plants and species in Montana’s waters.