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

Invasive earthworms in the boreal forest could contribute to climate change - The Weather Network

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

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

About the Forest, Great Lakes Worm Watch

Soil Health & Sustainability for Field Staff Training

Earthworms A Menace To Alberta Forests, Says Worm Invasion Project (PHOTO)

Forests, Free Full-Text

ughhhhhhhhh noooo stop it! aha! don't release

The season for jumping worms has arrived; gardeners on alert - InForum

Soil Health & Sustainability for Field Staff Training