Alaska Tundra Foodweb for Rheumaptera hastata (spear-marked black)

Alaska Tundra

Falco columbarius (Merlin)
Lanius excubitor (Northern Shrike)	Tachycineta bicolor (Tree Swallow)
Poecile hudsonicus (Boreal Chickadee)
Rheumaptera hastata (spear-marked black)
Betula intermedia (dwarf birch)

Ecosystem provided by Making The Forest And Tundra Wildlife Connection