Diet Overlap

Papilio polyxenes (Eastern black swallowtail)
Spinus tristis (American Goldfinch)

Common Diet

Cirsium vulgare (Spear Thistle)

Common Habitat

Calvin College Ecosystem Preserve
Carlsbad Caverns National Park
Western Michigan University’s Asylum Lake

Attributes / relations provided by
♦ 1Study of Northern Virginia Ecology