What is the conservation classification assigned to H. n. nasicus populations in Montana due to habitat uncertainty?

Answer

Species of Special Concern

Despite the overall species (*H. nasicus*) being classified globally as Least Concern by the IUCN Red List, local populations can face distinct, localized threats, particularly where habitat fragmentation occurs. In Montana, the *H. n. nasicus* subspecies faces this challenge. Due to uncertainty regarding its current abundance and the concentration of populations along specific river corridors where habitat suitability relies heavily on sandy alluvial beds and riverbanks, the local status has been categorized as a Species of Special Concern. This designation reflects a need for localized management or monitoring due to threats like habitat loss from modern land use, even though the species is secure continent-wide.

What is the conservation classification assigned to *H. n. nasicus* populations in Montana due to habitat uncertainty?

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