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)
- Cooper's Hawk (Square)
- Northern Goshawk (Square)
- Peregrine Falcon (Hexagon) (Square)
- Prairie Falcon (Square)
- Blue Grouse (Square)
- Ruffed Grouse (Hexagon) (Square)
- California Quail (Square)
- Mountain Quail (Hexagon) (Square)
- Common Snipe (Hexagon) (Square)
- Band-tailed Pigeon (Square)
- Mourning Dove (Square)
- Western Screech-Owl (Hexagon) (Square)
- Great Horned Owl (Square)
- Northern Pygmy-Owl (Square)
- Spotted Owl (Square)
- Great Gray Owl (Hexagon) (Square)
- Long-eared Owl (Hexagon) (Square)
- Boreal Owl (Hexagon) (Square)
- Northern Saw-whet Owl (Hexagon) (Square)
- Vaux's Swift (Hexagon) (Square)
- Lewis's Woodpecker (Hexagon) (Square)
- Red-breasted Sapsucker (Square)
- Red-naped Sapsucker (Square)
- Downy Woodpecker (Square)
- White-headed Woodpecker (Square)
- Three-toed Woodpecker (Square)
- Black-backed Woodpecker (Square)
- Pileated Woodpecker (Hexagon) (Square)
- Olive-sided Flycatcher (Square)
- Willow Flycatcher (Hexagon) (Square)
- Western Flycatcher (Square)
- Cliff Swallow (Hexagon) (Square)
- Barn Swallow (Square)
- Gray Jay (Square)
- American Crow (Square)
- Black-capped Chickadee (Square)
- Bushtit (Hexagon) (Square)
- White-breasted Nuthatch (Square)
- Pygmy Nuthatch (Square)
- Rock Wren (Hexagon) (Square)
- House Wren (Square)
- Winter Wren (Square)
- Townsend's Solitaire (Square)
- Swainson's Thrush (Square)
- Cedar Waxwing (Hexagon) (Square)
- European Starling (Square)
- Cassin's Vireo (Square)
- Cassin's Vireo (Square)
- Nashville Warbler (Hexagon) (Square)
- Common Yellowthroat (Hexagon) (Square)
- Black-headed Grosbeak (Square)
- Lazuli Bunting (Hexagon) (Square)
- Green-tailed Towhee (Square)
- Brewer's Sparrow (Hexagon) (Square)
- Fox Sparrow (Square)
- Song Sparrow (Hexagon) (Square)
- Lincoln's Sparrow (Square)
- Brewer's Blackbird (Square)
- Brown-headed Cowbird (Square)
- Gray-crowned Rosy-Finch (Square)
- House Finch (Square)
- American Goldfinch (Hexagon) (Square)
- Evening Grosbeak (Square)