Monarch Butterflies

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