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.
- Common Merganser (Square)
- Osprey (Hexagon) (Square)
- Cooper's Hawk (Hexagon) (Square)
- Blue Grouse (Hexagon) (Square)
- Ruffed Grouse (Square)
- California Quail (Square)
- Mountain Quail (Square)
- Spotted Sandpiper (Hexagon) (Square)
- Marbled Murrelet (Hexagon) (Square)
- Western Screech-Owl (Square)
- Great Horned Owl (Hexagon) (Square)
- Northern Pygmy-Owl (Hexagon) (Square)
- Spotted Owl (Square)
- Barred Owl (Square)
- Northern Saw-whet Owl (Hexagon) (Square)
- Common Nighthawk (Hexagon) (Square)
- Red-breasted Sapsucker (Square)
- Pileated Woodpecker (Square)
- Olive-sided Flycatcher (Square)
- Hammond's Flycatcher (Square)
- Purple Martin (Hexagon) (Square)
- Gray Jay (Square)
- Western Scrub-Jay (Hexagon) (Square)
- Bushtit (Hexagon) (Square)
- Red-breasted Nuthatch (Square)
- White-breasted Nuthatch (Hexagon) (Square)
- Brown Creeper (Square)
- Bewick's Wren (Square)
- American Dipper (Square)
- Golden-crowned Kinglet (Square)
- Townsend's Solitaire (Square)
- Varied Thrush (Square)
- Cassin's Vireo (Square)
- Hutton's Vireo (Square)
- Yellow-rumped Warbler (Square)
- Hermit Warbler (Square)
- MacGillivray's Warbler (Square)
- Lazuli Bunting (Hexagon) (Square)
- Dark-eyed Junco (Square)
- Brewer's Blackbird (Square)
- Bullock's Oriole (Hexagon) (Square)
- House Finch (Square)
- Red Crossbill (Hexagon) (Square)
- Pine Siskin (Square)
- Evening Grosbeak (Square)