Under its own power, an earthworm gains about 30 feet of new territory each year. But that does not help explain how worms got to Alaska.
“It’s almost geologically slow,” Matt Bowser, said of the earthworm’s locomotion. Bowser, Alaska’s closest thing to an expert on earthworms, is an entomologist with the Kenai National Wildlife Refuge. He has taken an interest in worms that exist in surprising numbers in southern parts of the state, probably carried here by people.