Worm Grunting: The Age-Old Tradition of Charming Worms out of the Ground - Modern Farmer

Worm Charmers Scientific American

Worms to the rescue - National Nut Grower

Dune's Sandworms Have a Lot in Common With Real-Life Worms and It's Jaw-Dropping

Worm Grunting, Fiddling, and Charming—Humans Unknowingly Mimic a Predator to Harvest Bait

Darwin, Earthworms and the Importance of Individuality

worms Archives - Permaculture Visions

Getting worms out of the ground. - Community Discussion Forums

fungi Archives - Permaculture Visions

Worm grunting on NPR Vanderbilt University

3 Ways to Gather Earthworms - wikiHow

Worm Grunting is an Old Southern Tradition

The Project Gutenberg eBook of Leaves of Grass, by Walt Whitman

Worm grunting on NPR Vanderbilt University