Diet Overlap

Phylloscopus borealis (Arctic Warbler) Poecile hudsonicus (Boreal Chickadee)

Common Diet

Adelges abietis (Aphid) Carterocephalus palaemon (Arctic skipper) Chrysoperla carnea (Green Lacewing) Phygadeuon alaskensis (Ichneumon Wasp) Pirata piraticus (Spider) Rheumaptera hastata (spear-marked black)

Common Habitat

Arctic National Wildlife Refuge Denali Biosphere Reserve Interior Alaska-Yukon lowland taiga North America Wrangell-St. Elias National Park and Preserve