Monarch Butterflies

Western Monarch Butterflies  (West of the Rocky Mountains)

• Western Monarch Milkweed Mapper 
• Western Monarch Count
• Statewide Milkweed & Monarch Survey | Idaho State Fish and Game
• Monarch Butterfly Distribution and Breeding Ecology in Idaho and Washington
• Species Catalog | Idaho State Fish and Game

Eastern Monarch Butterflies (East of the Rocky Mountains)

• State of Butterflies in the US | Xerces Society
• Monarch Butterfly Habitat: Development and Maintenance | United States Department of Agriculture 
• Monarch Butterfly ESA Status: Candidate  | Idaho State Government