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)
- Sharp-shinned Hawk (Hexagon) (Square)
- Cooper's Hawk (Square)
- Northern Goshawk (Square)
- American Kestrel (Square)
- Peregrine Falcon (Hexagon) (Square)
- Prairie Falcon (Hexagon) (Square)
- California Quail (Square)
- Mountain Quail (Hexagon) (Square)
- Mourning Dove (Square)
- Flammulated Owl (Square)
- Western Screech-Owl (Hexagon) (Square)
- Great Horned Owl (Square)
- Northern Pygmy-Owl (Square)
- Great Gray Owl (Hexagon) (Square)
- Long-eared Owl (Hexagon) (Square)
- Northern Saw-whet Owl (Hexagon) (Square)
- Vaux's Swift (Hexagon) (Square)
- Black-chinned Hummingbird (Hexagon) (Square)
- Calliope Hummingbird (Square)
- Rufous Hummingbird (Square)
- Lewis's Woodpecker (Square)
- Red-naped Sapsucker (Square)
- Downy Woodpecker (Square)
- Black-backed Woodpecker (Square)
- Pileated Woodpecker (Square)
- Western Wood-Pewee (Square)
- Hammond's Flycatcher (Square)
- Gray Flycatcher (Hexagon) (Square)
- Say's Phoebe (Hexagon) (Square)
- Horned Lark (Hexagon) (Square)
- Tree Swallow (Square)
- Violet-green Swallow (Square)
- Cliff Swallow (Square)
- Bushtit (Hexagon) (Square)
- Pygmy Nuthatch (Square)
- Brown Creeper (Square)
- Canyon Wren (Hexagon) (Square)
- House Wren (Square)
- Winter Wren (Hexagon) (Square)
- Ruby-crowned Kinglet (Hexagon) (Square)
- Western Bluebird (Square)
- Swainson's Thrush (Square)
- European Starling (Square)
- Cassin's Vireo (Square)
- Orange-crowned Warbler (Hexagon) (Square)
- Nashville Warbler (Hexagon) (Square)
- Black-throated Gray Warbler (Square)
- MacGillivray's Warbler (Hexagon) (Square)
- Wilson's Warbler (Square)
- Western Tanager (Square)
- Black-headed Grosbeak (Square)
- Green-tailed Towhee (Square)
- Brewer's Sparrow (Hexagon) (Square)
- Vesper Sparrow (Square)
- Fox Sparrow (Square)
- Brewer's Blackbird (Square)
- Brown-headed Cowbird (Square)
- Cassin's Finch (Square)
- House Finch (Square)
- Evening Grosbeak (Square)