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Species Information

Listed Species

Species Ranges:
By State and By County

Candidate Species

Species of Concern

Featured Species

Bald Eagle

Canada Lynx

Freshwater Mussels

Gray Wolf

Indiana Bat

Karner Blue Butterfly

Kirtland's Warbler

Piping Plover

Whooping Crane
Endangered Species Act

FAQs

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Recovery

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Assessments

S7 Consultation

Contacts

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Endangered Species
Crustaceans
(threatened, endangered, and proposed)

Available Information

cave crayfish, no common name (Cambarus aculabrum)

Illinois cave amphipod (Gammarus acherondytes)

Life history, ecology, and regulatory information
Fact Sheet
Questions and Answers about the Illinois Cave Amphipod

Recovery
Illinois Cave Amphipod Recovery Plan

Recovery in Illinois

2006 S6 Grant Project - Non-lethal population monitoring of the Endangered Illinois Cave Amphipod Gammarus acherondytes

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Updated March 2007

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