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• What Are Species of Greatest Conservation Need (SGCN)?
Species of greatest conservation need are defined as wildlife species with small or declining populations or other characteristics that make them vulnerable.

• Identification of SGCN

• Full Set & Sub-sets of SGCN

• Threats to Species of Greatest Conservation Need (SGCN)

• Experts Consulted Regarding SGCN PDF icon

• Introduction to SGCN Summaries
The SGCN represent the fine-filter in this planning process, their needs not addressed through conservation at the coarse-filter, landscape feature level, must be identified to ensure the conservation of Michigan's wildlife diversity.

• All SGCN Summaries Combined (47 MB) PDF icon

• Mussel Summaries

• Snail Summaries

• Crayfish Summaries

• Insect Summaries

• Fish Summaries

• Amphibian Summaries

• Reptile Summaries

• Bird Summaries

• Mammal Summaries

• Literature Referenced for SGCN Summaries PDF icon

Clockwise from top left: Blanchard's cricket frog, northern blue butterfly (by David Cuthrell, MNFI), riffle shell mussels, and smooth green snake (by Jim Harding, MSU).