Earthworms are bait. They're also a nightmare for healthy Minnesota forests.

Why are earthworms important? - Quora

Buried Breath Montana Natural History Center

Is it true that all native species of North American Earthworms died out during the last Ice Age? - Quora

Live Canadian Nightcrawler Fishing Bait Worms - Alive Earthworm Fish & Pet Food - Mil y una historias

Gone With the Worm: Invasive Earthworms Irrevocably Alter Kenai Peninsula Forests

In the Garden - Earthworms in the garden in Manitoba.

Non-native earthworms have invaded Minnesota's northern forests : r/Vermiculture

Soil Health & Sustainability for Field Staff Training

All Minnesota worms are invasive, but which ones do you need to worry about? An expert weighs in - CBS Minnesota

Earthworms are bait. They're also a nightmare for healthy Minnesota forests.

Dealing With Invasive Jumping Worms – A Gardener's Worst Nightmare

Earthworms Missouri Department of Conservation

Invasive earthworms are eating away at forest diversity: U of T study

Is it true that earthworms are an introduced species to North America? - Quora