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)
- Bald Eagle (Hexagon) (Square)
- Northern Harrier (Hexagon) (Square)
- Sharp-shinned Hawk (Square)
- Cooper's Hawk (Square)
- Northern Goshawk (Square)
- Golden Eagle (Hexagon) (Square)
- American Kestrel (Square)
- Peregrine Falcon (Hexagon) (Square)
- Ruffed Grouse (Square)
- California Quail (Square)
- Mountain Quail (Square)
- Common Snipe (Hexagon) (Square)
- Band-tailed Pigeon (Hexagon) (Square)
- Mourning Dove (Square)
- Flammulated Owl (Square)
- Western Screech-Owl (Square)
- Great Horned Owl (Square)
- Northern Pygmy-Owl (Square)
- Spotted Owl (Square)
- Barred Owl (Square)
- Great Gray Owl (Square)
- Long-eared Owl (Hexagon) (Square)
- Northern Saw-whet Owl (Square)
- Black Swift (Hexagon) (Square)
- Vaux's Swift (Square)
- Calliope Hummingbird (Hexagon) (Square)
- Lewis's Woodpecker (Hexagon) (Square)
- Downy Woodpecker (Square)
- Three-toed Woodpecker (Hexagon) (Square)
- Black-backed Woodpecker (Hexagon) (Square)
- Western Wood-Pewee (Square)
- Willow Flycatcher (Square)
- Tree Swallow (Square)
- Violet-green Swallow (Square)
- Cliff Swallow (Square)
- Barn Swallow (Square)
- Black-capped Chickadee (Square)
- Bushtit (Square)
- Pygmy Nuthatch (Hexagon) (Square)
- Rock Wren (Hexagon) (Square)
- Bewick's Wren (Hexagon) (Square)
- Winter Wren (Square)
- Ruby-crowned Kinglet (Square)
- Western Bluebird (Square)
- Mountain Bluebird (Hexagon) (Square)
- European Starling (Square)
- Hutton's Vireo (Square)
- Orange-crowned Warbler (Hexagon) (Square)
- Yellow Warbler (Square)
- Common Yellowthroat (Hexagon) (Square)
- Wilson's Warbler (Square)
- Brewer's Sparrow (Hexagon) (Square)
- Fox Sparrow (Square)
- Song Sparrow (Square)
- White-crowned Sparrow (Square)
- Purple Finch (Square)
- Cassin's Finch (Square)
- Pine Siskin (Square)
- American Goldfinch (Square)