![](/media/Government-Island_COA055_Port-of-Portland.jpg)
Columbia River islands comprised of 826-acre West Hayden Island located north of the City of Portland just outside city limits and the Government Island complex located between River Mile 111 and 119. The complex includes Lemon and McGuire Islands and total about 2,225 acres.
COA ID: 055
Ecoregions
Strategy Habitats
![Example of Oak Woodlands, which is a Strategy Habitat within the Oregon Conservation Strategy](/media/Oak-Woodland_Shawn-Woods-e1449604993826-255x185.jpg)
Oak Woodlands
Oak woodlands are characterized by an open canopy dominated by Oregon white oak.
![](/media/COA_004_Necanicum-River_Herman-Biederbeck-ODFW-2-247x185.jpg)
Flowing Water and Riparian Habitats
Flowing Water and Riparian Habitats include all naturally occurring flowing freshwater streams and rivers throughout Oregon as well as the adjacent riparian habitat.
![Ducks on a wetland in Ladd Marsh Wildlife Area, Oregon](/media/Wetland_Cathy-Nowak_ODFW-e1449605097558-255x185.jpg)
Wetlands
Wetlands are covered with water during all or part of the year. Permanently wet habitats include backwater sloughs, oxbow lakes, and marshes, while seasonally wet habitats include seasonal ponds, vernal pools, and wet prairies.
Strategy Species
![California Myotis on tree](/media/California-myotis-Michael-Durham-255x170.jpg)
California Myotis (Modeled Habitat)
Myotis californicus
![Cascade Torrent Salamander](/media/Cascade_torrent_salamander_John_Clare_flickr_980-255x185.jpg)
Cascade Torrent Salamander (Modeled Habitat)
Rhyacotriton cascadae
![Chinook Salmon - Spring/Summer Run](/media/Spring-Chinook_980-1-255x185.jpg)
Chinook Salmon (Documented)
Oncorhynchus tshawytscha
![](/media/Chipping-sparrow_Keith-Kohl_460-255x185.jpg)
Chipping Sparrow (Observed)
Spizella passerina
![Chum Salmon](/media/ChumSalmon_AndrewReding_980-2-255x185.jpg)
Chum Salmon (Documented)
Oncorhynchus keta
![Clouded Salamander](/media/Clouded-salamander_980-255x185.jpg)
Clouded Salamander (Modeled Habitat)
Aneides ferreus
![](/media/Coastal-cutthroat-trout_Doug-Markle_460-255x137.jpg)
Coastal Cutthroat Trout (Documented)
Oncorhynchus clarki clarki
![](/media/Coho_salmon_BLM_460-4-255x185.jpg)
Coho Salmon (Documented)
Oncorhynchus kisutch
![](/media/Common-nighthawk_Nick-Myatt_640-255x185.jpg)
Common Nighthawk (Modeled Habitat)
Chordeiles minor
![](/media/Fringed-Bat-Michael-Durham-255x170.jpg)
Fringed Myotis (Observed)
Myotis thysanodes
![](/media/Hoary-bat_Wikemedia_460-255x185.jpg)
Hoary Bat (Observed)
Lasiurus cinereus
![](/media/Northern-red-legged-frog_Martyne-Reesman_460-255x182.jpg)
Northern Red-legged Frog (Observed)
Rana aurora
![](/media/Olive-sided-Flycatcher_Dennis-Garrison_USFS_460-255x185.jpg)
Olive-sided Flycatcher (Modeled Habitat)
Contopus cooperi
![](/media/Oregon_slender_salamander_Dave_Huth_flickr_460-e1452206743667-255x185.jpg)
Oregon Slender Salamander (Modeled Habitat)
Batrachoseps wrighti
![Oregon Vesper Sparrow](/media/Oregon_vesper_sparrow_Simon_Wray_980-255x185.jpg)
Oregon Vesper Sparrow (Modeled Habitat)
Pooecetes gramineus affinis
![](/media/Purple-Martin_Keith-Kohl-255x185.jpg)
Purple Martin (Observed)
Progne subis arboricola
![](/media/Short-eared-owl_Keith-Kohl_460-255x185.jpg)
Short-eared Owl (Observed)
Asio flammeus flammeus
![](/media/Silver-haired-bat_Roger-Rodriguez-255x185.jpg)
Silver-haired Bat (Observed)
Lasionycteris noctivagans
![](/media/steelhead-rainbow-redband-247x185.jpg)
Steelhead / Rainbow / Redband Trout (Documented)
Oncorhynchus mykiss ssp
![Townsend's Big-eared Bat](/media/Townsends-Big-earred-Bat_Don-Albright_980-255x185.jpg)
Townsend’s Big-eared Bat (Modeled Habitat)
Corynorhinus townsendii
![](/media/Western-Bluebird_Keith-Kohl_460-255x185.jpg)
Western Bluebird (Modeled Habitat)
Sialia mexicana
![](/media/western-gray-squirrel_keith-kohl-255x185.jpg)
Western Gray Squirrel (Modeled Habitat)
Sciurus griseus
![](/media/Western-Meadowlark_USFWS_460-255x185.jpg)
Western Meadowlark (Observed)
Sturnella neglecta
![Western Painted Turtle on a log](/media/W-Painted-Turtle_Keith-Kohl-255x171.jpg)
Western Painted Turtle (Observed)
Chrysemys picta bellii
![](/media/Western-Pond-Turtle_Keith-Kohl_460-255x185.jpg)
Northwestern Pond Turtle (Modeled Habitat)
Actinemys marmorata
![Willow Flycatcher](/media/Willow_flycatcher_Keith_Kohl_980-255x185.jpg)
Willow Flycatcher (Observed)
Empidonax traillii
![](/media/Yellow_breasted_chat_Kelly_Colgan_Azar_flickr_460-255x185.jpg)
Yellow-breasted Chat (Observed)
Icteria virens auricollis