Hi Everyone, Here are the species reported in previous years that we haven't found yet this year. Again, note that some are really rare that we don't expect to find.
# Ross's Goose
# Greater White-fronted Goose
# Tundra Bean-Goose
# Brant
# Cackling Goose
# Wood Duck
# Northern Shoveler
# American Wigeon
# Northern Pintail
# Green-winged Teal
# Canvasback
# Redhead
# Greater Scaup
# White-winged Scoter
# Black Scoter
# Common Goldeneye
# Hooded Merganser
# Common Merganser
# Gambel's Quail
# Chukar
# Horned Grebe
# Spotted Dove
# Inca Dove
# Common Ground-Dove
# White-winged Dove
# Greater Roadrunner
# Lesser Nighthawk
# Calliope Hummingbird
# Ridgway's Rail
# Virginia Rail
# Sora
# Common Gallinule
# Sandhill Crane
# Black-bellied Plover
# Pacific Golden-Plover
# Snowy Plover
# Long-billed Curlew
# Ruddy Turnstone
# Black Turnstone
# Red Knot
# Ruff
# Stilt Sandpiper
# Dunlin
# Baird's Sandpiper
# Pectoral Sandpiper
# Semipalmated Sandpiper
# Short-billed Dowitcher
# Wilson's Snipe
# Wilson's Phalarope
# Red-necked Phalarope
# Red Phalarope
# Solitary Sandpiper
# Lesser Yellowlegs
# Pomarine Jaeger
# Parasitic Jaeger
# Common Murre
# Scripps's Murrelet
# Cassin's Auklet
# Rhinoceros Auklet
# Sabine's Gull
# Laughing Gull
# Franklin's Gull
# Short-billed Gull
# Lesser Black-backed Gull
# Iceland Gull (Thayer's Gull)
# Glaucous-winged Gull
# Glaucous Gull
# Least Tern
# Black Tern
# Common Tern
# Yellow-billed Loon
# Black-footed Albatross
# Leach's Storm-Petrel
# Northern Fulmar
# Pink-footed Shearwater
# Sooty Shearwater
# Black-vented Shearwater
# Red-footed Booby
# Neotropic Cormorant
# American White Pelican
# American Bittern
# Least Bittern
# Cattle Egret
# White-faced Ibis
# California Condor
# Osprey
# White-tailed Kite
# Golden Eagle
# Sharp-shinned Hawk
# Bald Eagle
# Swainson's Hawk
# Zone-tailed Hawk
# Ferruginous Hawk
# Flammulated Owl
# Western Screech-Owl
# Northern Pygmy-Owl
# Burrowing Owl
# Spotted Owl
# Long-eared Owl
# Northern Saw-whet Owl
# Williamson's Sapsucker
# Red-naped Sapsucker
# Red-breasted Sapsucker
# Lewis's Woodpecker
# Downy Woodpecker
# Hairy Woodpecker
# White-headed Woodpecker
# Crested Caracara
# American Kestrel
# Merlin
# Peregrine Falcon
# Yellow-chevroned Parakeet
# Lilac-Crowned Parrot
# Red-masked Parakeet
# Western Wood-Pewee
# Least Flycatcher
# Gray Flycatcher
# Dusky Flycatcher
# Say's Phoebe
# Vermilion Flycatcher
# Dusky-capped Flycatcher
# Tropical Kingbird
# Thick-billed Kingbird
# Cassin's Vireo
# Plumbeous Vireo
# Loggerhead Shrike
# Steller's Jay
# Clark's Nutcracker
# Mountain Chickadee
# Horned Lark
# Purple Martin
# Golden-crowned Kinglet
# Ruby-crowned Kinglet
# White-breasted Nuthatch
# Pygmy Nuthatch
# Brown Creeper
# Rock Wren
# Canyon Wren
# Marsh Wren
# American Dipper
# LeConte's Thrasher
# Mountain Bluebird
# Townsend's Solitaire
# Varied Thrush
# Swainson's Thrush
# Hermit Thrush
# Phainopepla
# Red-throated Pipit
# Evening Grosbeak
# Purple Finch
# Cassin's Finch
# Pine Siskin
# Grasshopper Sparrow
# Clay-colored Sparrow
# Black-chinned Sparrow
# Field Sparrow
# Brewer's Sparrow
# Lark Sparrow
# Fox Sparrow
# Golden-crowned Sparrow
# Harris's Sparrow
# Vesper Sparrow
# Savannah Sparrow
# Lincoln's Sparrow
# Swamp Sparrow
# Rufous-crowned Sparrow
# Green-tailed Towhee
# Yellow-headed Blackbird
# Western Meadowlark
# Orchard Oriole
# Baltimore Oriole
# Northern Waterthrush
# Black-and-white Warbler
# Tennessee Warbler
# MacGillivray's Warbler
# Hooded Warbler
# American Redstart
# Northern Parula
# Chestnut-sided Warbler
# Palm Warbler
# Red-faced Warbler
# Painted Redstart
# Summer Tanager
# Blue Grosbeak
# Indigo Bunting
Also, there have been a lot of emails so I hope I caught everything. In all the flurry of activity it's easy to miss a species here or there on the first day.