Natural History Wanderings

from the Xerces Society

Mollusks – like snails, slugs, and mussels – are an extremely diverse group of animals with an estimated 50,000 to 200,000 named and undescribed species worldwide. They also have the highest number of documented extinctions of any major taxonomic group.

Xerces biologists have been on the trail of four mysterious and imperiled snails deep in the Cascade-Siskiyou National Monument, looking for clues to protect these overlooked animals. Learn More