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.
- Turkey Vulture (Square)
- Osprey (Square)
- Bald Eagle (Square)
- Cooper's Hawk (Square)
- Northern Goshawk (Square)
- Prairie Falcon (Square)
- Blue Grouse (Square)
- Ruffed Grouse (Hexagon) (Square)
- California Quail (Square)
- Mountain Quail (Hexagon) (Square)
- Mourning Dove (Square)
- Flammulated Owl (Square)
- Western Screech-Owl (Hexagon) (Square)
- Northern Pygmy-Owl (Square)
- Great Gray Owl (Square)
- Long-eared Owl (Hexagon) (Square)
- Common Nighthawk (Square)
- White-throated Swift (Hexagon) (Square)
- Black-chinned Hummingbird (Hexagon) (Square)
- Calliope Hummingbird (Square)
- Lewis's Woodpecker (Hexagon) (Square)
- Downy Woodpecker (Square)
- White-headed Woodpecker (Square)
- Black-backed Woodpecker (Square)
- Say's Phoebe (Square)
- Ash-throated Flycatcher (Hexagon) (Square)
- Western Kingbird (Square)
- Gray Jay (Square)
- Western Scrub-Jay (Square)
- Black-capped Chickadee (Hexagon) (Square)
- Bushtit (Hexagon) (Square)
- Pygmy Nuthatch (Square)
- Winter Wren (Hexagon) (Square)
- Western Bluebird (Hexagon) (Square)
- Swainson's Thrush (Hexagon) (Square)
- Varied Thrush (Hexagon) (Square)
- Cedar Waxwing (Square)
- Orange-crowned Warbler (Square)
- Nashville Warbler (Square)
- Yellow Warbler (Square)
- Lazuli Bunting (Square)
- Lark Sparrow (Square)
- Fox Sparrow (Square)
- Lincoln's Sparrow (Square)
- House Finch (Hexagon) (Square)
- Red Crossbill (Square)