Subject
- Ring-necked pheasant6
- Pheasants5
- Ring-necked pheasant -- Washington (State) -- Eliza Island2
- Birds, Protection of1
- DDT (Insecticide)1
- Eliza Island (Wash.)1
- Foxes -- Food -- Oregon -- Willamette River Valley1
- Game and game-birds -- Oregon1
- Game and game-birds -- Predators of -- Oregon -- Willamette River Valley1
- Game and game-birds -- Washington (State)1
- Mercury -- Toxicology1
- Organophosphorus compounds -- Toxicology -- Lower Klamath National Wildlife Refuge (Calif. and Or.)1
- Organophosphorus compounds -- Toxicology -- Tule Lake National Wildlife Refuge1
- Pheasants -- Oregon -- Breeding1
- Pheasants -- Washington (State) -- Eliza Island1
- Pheasants -- Washington (State) -- Protection Island1
- Ring-necked pheasant -- Behavior1
- Ring-necked pheasant -- Economic aspects -- Oregon1
- Ring-necked pheasant -- Effect of insecticides on -- California -- Tule Lake National Wildlife Refuge1
- Ring-necked pheasant -- Effect of insecticides on -- Lower Klamath National Wildlife Refuge (Calif. and Or.)1