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.
- Pied-billed Grebe (Square)
- Western Grebe (Square)
- Clark's Grebe (Hexagon) (Square)
- Snowy Egret (Square)
- Wood Duck (Square)
- Green-winged Teal (Square)
- Blue-winged Teal (Square)
- Northern Shoveler (Square)
- American Wigeon (Square)
- Canvasback (Square)
- Redhead (Square)
- Lesser Scaup (Square)
- Common Merganser (Square)
- Ruddy Duck (Square)
- Osprey (Square)
- Bald Eagle (Square)
- Swainson's Hawk (Square)
- Ferruginous Hawk (Square)
- Peregrine Falcon (Square)
- Chukar (Square)
- Sage Grouse (Square)
- Virginia Rail (Square)
- Sora (Square)
- Spotted Sandpiper (Square)
- Common Snipe (Square)
- California Gull (Square)
- Caspian Tern (Square)
- Forster's Tern (Square)
- Black Tern (Square)
- Yellow-billed Cuckoo (Hexagon) (Square)
- Barn Owl (Square)
- Western Screech-Owl (Hexagon) (Square)
- Great Horned Owl (Square)
- Long-eared Owl (Square)
- Common Poorwill (Hexagon) (Square)
- White-throated Swift (Hexagon) (Square)
- Black-chinned Hummingbird (Hexagon) (Square)
- Calliope Hummingbird (Hexagon) (Square)
- Belted Kingfisher (Square)
- Lewis's Woodpecker (Hexagon) (Square)
- Downy Woodpecker (Square)
- Northern Flicker (Square)
- Western Wood-Pewee (Hexagon) (Square)
- Willow Flycatcher (Square)
- Dusky Flycatcher (Hexagon) (Square)
- Gray Flycatcher (Square)
- Say's Phoebe (Square)
- Ash-throated Flycatcher (Hexagon) (Square)
- Western Kingbird (Square)
- Eastern Kingbird (Square)
- Tree Swallow (Square)
- Violet-green Swallow (Hexagon) (Square)
- Northern Rough-winged Swallow (Square)
- Barn Swallow (Square)
- Black-billed Magpie (Square)
- American Crow (Hexagon) (Square)
- Black-capped Chickadee (Hexagon) (Square)
- Bushtit (Hexagon) (Square)
- House Wren (Square)
- Marsh Wren (Square)
- Mountain Bluebird (Square)
- American Robin (Square)
- Northern Mockingbird (Hexagon) (Square)
- European Starling (Square)
- Warbling Vireo (Square)
- Orange-crowned Warbler (Square)
- Yellow Warbler (Square)
- MacGillivray's Warbler (Square)
- Common Yellowthroat (Square)
- Yellow-breasted Chat (Hexagon) (Square)
- Black-headed Grosbeak (Square)
- Green-tailed Towhee (Hexagon) (Square)
- Grasshopper Sparrow (Hexagon) (Square)
- Fox Sparrow (Hexagon) (Square)
- Song Sparrow (Square)
- Yellow-headed Blackbird (Square)
- Bullock's Oriole (Square)
- American Goldfinch (Hexagon) (Square)