These are species that were predicted to breed in the hex or square,
based on habitat and geographic range,
but they were not found. The list specifies Hexagon to indicate
the species was predicted to occur in the hexagon and Square
to indicate it was predicted to occur in the square.
- Osprey (Square)
- Northern Harrier (Square)
- Sharp-shinned Hawk (Hexagon) (Square)
- Cooper's Hawk (Square)
- Red-tailed Hawk (Square)
- American Kestrel (Square)
- Peregrine Falcon (Square)
- Ring-necked Pheasant (Square)
- Blue Grouse (Hexagon) (Square)
- Ruffed Grouse (Square)
- Mountain Quail (Square)
- Common Snipe (Square)
- Rock Dove (Square)
- Barn Owl (Square)
- Western Screech-Owl (Square)
- Northern Pygmy-Owl (Hexagon) (Square)
- Spotted Owl (Hexagon) (Square)
- Barred Owl (Hexagon) (Square)
- Northern Saw-whet Owl (Hexagon) (Square)
- Common Nighthawk (Hexagon) (Square)
- Vaux's Swift (Hexagon) (Square)
- Anna's Hummingbird (Hexagon) (Square)
- Pileated Woodpecker (Square)
- Olive-sided Flycatcher (Square)
- Hammond's Flycatcher (Hexagon) (Square)
- Purple Martin (Square)
- Northern Rough-winged Swallow (Hexagon) (Square)
- Brown Creeper (Hexagon) (Square)
- Rock Wren (Hexagon) (Square)
- Golden-crowned Kinglet (Hexagon) (Square)
- Western Bluebird (Hexagon) (Square)
- Varied Thrush (Square)
- Hutton's Vireo (Square)
- Nashville Warbler (Hexagon) (Square)
- Yellow Warbler (Square)
- Hermit Warbler (Square)
- Lazuli Bunting (Hexagon) (Square)
- Bullock's Oriole (Square)
- Purple Finch (Square)
- Red Crossbill (Hexagon) (Square)
- Pine Siskin (Square)