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)
- Northern Harrier (Square)
- Red-tailed Hawk (Square)
- Ferruginous Hawk (Square)
- Golden Eagle (Square)
- Prairie Falcon (Square)
- Ring-necked Pheasant (Square)
- Mountain Quail (Square)
- Long-billed Curlew (Hexagon) (Square)
- Wilson's Phalarope (Hexagon) (Square)
- Barn Owl (Hexagon) (Square)
- Great Horned Owl (Square)
- Burrowing Owl (Hexagon) (Square)
- Long-eared Owl (Hexagon) (Square)
- Short-eared Owl (Square)
- Common Nighthawk (Square)
- Common Poorwill (Hexagon) (Square)
- White-throated Swift (Hexagon) (Square)
- Black-chinned Hummingbird (Hexagon) (Square)
- Calliope Hummingbird (Hexagon) (Square)
- Rufous Hummingbird (Square)
- Northern Flicker (Square)
- Dusky Flycatcher (Hexagon) (Square)
- Gray Flycatcher (Square)
- Say's Phoebe (Square)
- Ash-throated Flycatcher (Square)
- Eastern Kingbird (Square)
- Horned Lark (Square)
- Violet-green Swallow (Square)
- Cliff Swallow (Square)
- Barn Swallow (Square)
- Black-billed Magpie (Square)
- Bushtit (Hexagon) (Square)
- Rock Wren (Square)
- Mountain Bluebird (Square)
- Sage Thrasher (Square)
- Green-tailed Towhee (Hexagon) (Square)
- Brewer's Sparrow (Square)
- Lark Sparrow (Square)
- Sage Sparrow (Hexagon) (Square)
- Savannah Sparrow (Square)
- Grasshopper Sparrow (Hexagon) (Square)