Conservation Assessments Inititated Amphibians and Reptiles / Birds / Fish / Insects / Invertebrates / Mammals / Mollusks / Non-Vascular Plants / Plants / Communities and Species Groups BIRDS Accipiter gentilis Northern Goshawk Aegolius funereus Boreal Owl Aimophila aestivalis Bachman's Sparrow Ammodramus henslowii Henslow's Sparrow Ammodramus leconteii Le Conte's Sparrow Asio flammeus Short-eared Owl Bartramia longicauda Upland Sandpiper Buteo lineatus Red-shouldered Hawk Catharus bicknelli Bicknell's Thrush Catharus ustulatus Swainson's Thrush Chlidonias niger Black Tern Circus cyaneus Northern Harrier Coturnicops noveboracensis Yellow Rail Cygnus buccinator Trumpeter Swan Dendroica caerulescens Black-throated Blue Warbler Dendroica castanea Bay-breasted Warbler Dendroica cerulea Cerulean Warbler Dendroica discolor Prairie Warbler Dolichonyx oryzivorus Bobolink Empidonax flaviventris Yellow-bellied Flycatcher Falcipennis canadensis Spruce Grouse Gavia immer Common Loon Ixobrychus exilis Least Bittern Lanius ludovicianus migrans Migrant Loggerhead Shrike Nycticorax nycticorax Black-crowned Night-heron Oporornis agilis Connecticut Warbler Picoides arcticus Black-backed Woodpecker Picoides tridactylus Three-toed Woodpecker Rallus elegans King Rail Sterna caspia Caspian Tern Sterna hirundo Common Tern Tympanuchus phasianellus Sharp-tailed Grouse