MNN Galleries

7 animals that know how to farm

By: Bryan Nelson on Nov. 29, 2010, 12:36 p.m.
Marsh snails

Photo: Mr TGT/Flickr

7 of 9

Marsh snails

At least one type of mollusk is among nature's many fungiculturalists. Marsh snails (Littoraria irrorata), typically found throughout the Southeastern United States, prefer to feast on a fungus that grows on dead cordgrass leaves.

These clever snails use their rough, tongue-like radula to cut grooves into cordgrass leaves, creating the perfect growing environment for their favorite fungus.

The snails have been observed fertilizing their fields by defecating in the grooves, further helping the fungus grow.