The population matching the candidate ledger's Insular Vole is recorded on the St Matthew Archipelago in the Bering Sea. A 2010 study used the name M. abbreviatus for a broader group that also included mainland singing voles.
The paper links the name abbreviatus to the very short tail of its broad M. abbreviatus concept.
The paper describes singing voles as sociable, living in loose groups with distinct home ranges.
An extinction-risk assessment has not been added yet.