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.
- Great Blue Heron (Square)
- Green Heron (Hexagon) (Square)
- Common Merganser (Hexagon) (Square)
- Turkey Vulture (Square)
- Osprey (Square)
- Bald Eagle (Square)
- Northern Harrier (Square)
- Sharp-shinned Hawk (Hexagon) (Square)
- Cooper's Hawk (Square)
- American Kestrel (Hexagon) (Square)
- Blue Grouse (Square)
- Ruffed Grouse (Hexagon) (Square)
- Mountain Quail (Square)
- Spotted Sandpiper (Hexagon) (Square)
- Common Snipe (Square)
- Marbled Murrelet (Square)
- Band-tailed Pigeon (Square)
- Mourning Dove (Hexagon) (Square)
- Western Screech-Owl (Hexagon) (Square)
- Northern Pygmy-Owl (Square)
- Spotted Owl (Square)
- Barred Owl (Hexagon) (Square)
- Northern Saw-whet Owl (Hexagon) (Square)
- Common Nighthawk (Hexagon) (Square)
- Vaux's Swift (Square)
- Anna's Hummingbird (Hexagon) (Square)
- Belted Kingfisher (Square)
- Red-breasted Sapsucker (Square)
- Pileated Woodpecker (Square)
- Western Wood-Pewee (Square)
- Purple Martin (Square)
- Tree Swallow (Square)
- Cliff Swallow (Square)
- Barn Swallow (Square)
- Gray Jay (Square)
- Western Scrub-Jay (Square)
- Bushtit (Square)
- Brown Creeper (Square)
- Rock Wren (Hexagon) (Square)
- Bewick's Wren (Square)
- American Dipper (Hexagon) (Square)
- Townsend's Solitaire (Hexagon) (Square)
- European Starling (Square)
- Cassin's Vireo (Hexagon) (Square)
- Hutton's Vireo (Square)
- Warbling Vireo (Square)
- Orange-crowned Warbler (Square)
- Nashville Warbler (Hexagon) (Square)
- Yellow-rumped Warbler (Hexagon) (Square)
- Townsend's Warbler (Hexagon) (Square)
- Common Yellowthroat (Square)
- Lazuli Bunting (Hexagon) (Square)
- Chipping Sparrow (Hexagon) (Square)
- Brewer's Blackbird (Square)
- Brown-headed Cowbird (Square)
- Purple Finch (Square)
- Red Crossbill (Square)
- Evening Grosbeak (Square)