Yellow-headed blackbird
Western bluebird
Gray catbird
Mountain chickadee
Eurasian collared-dove
Peregrine falcon
House finch
Cassin’s finch
Northern flicker
Dusky flycatcher
Lesser goldfinch
Common grackle
Northern harrier
Red-tailed hawk
Swainson's hawk
Broad-tailed hummingbird
Rufous hummingbird
Western scrub-jay
Eastern kingbird
Western kingbird
Cassin’s kingbird
Belted kingfisher
Black-billed magpie
Western meadowlark

Common nighthawk
White-breasted nuthatch
Western wood-pewee
Eastern phoebe
Common raven
American robin
Pine siskin
Chipping sparrow
European starling
Barn swallow
Cliff swallow
Violet-green swallow
Western tanager
Juniper titmouse
Canyon towhee
Turkey vulture
Lewis's woodpecker
Canyon wren
 
In addition, Cindy had reported seeing a vesper sparrow, but no one else saw it.  Gary reported hearing the call of a vireo.  And some in the group caught a brief view of an owl flying in the distance.