THE CONDOR 
Voi.. VI 
170 
April 20 to December i. The list for the former place includes 106 species and 
for the latter 103. There are 45 species that are common to both regions. These 
are the mourning dove, turkey vulture, marsh hawk, sharp-shinned hawk. Cooper 
hawk, Swainson hawk. Ferruginous rough leg hawk, golden eagle, sparrow hawk, 
burrowing owl, kingfisher, Cabanis woodpecker, Lewis woodpecker. Red-shafted 
flicker, dusky poor-will, white-throated swift, Arkansas kingbird. Say phoebe, 
western wood pewee, common crow, western meadowlark, Bullock oriole. Brewer 
blackbird. Pine siskin, western lark sparrow, western chipping sparrow, Lincoln 
sparrow, black-headed grosbeak, lazuli bunting, western tanager, cliff swallow, 
barn swallow, tree swallow, violet-green swallow, cedar waxwing, western war- 
bling vireo, Cassin vireo, yellow warbler, Tolmie warbler, long-tailed chat, 
western mockingbird, rock wren, russet-backed thrush, western robin. Some of 
these are more abundant in one region than in the other. The white-throated 
swift is one of the most noticeable birds in Sioux county. I saw the bird only 
once in Santa Cruz county. The numbers of individuals of the species of swal- 
lows is greater in Santa Cruz countyv Many' of the species are found at different 
times of the year in tlie two localities, 'fhe Say phcebe is one of these, for in 
Sioux county it is a rather cf)mmon breeder while in Santa Cruz it is a winter 
resident. The western tanager, Audubon warbler, western robin, and a few others 
are birds of this sort. Most ot tlie species spend the winter in Santa Cruz county 
but only^ those tliat are able to resist the severe cold stay in Sioux county. Oc- 
casionally however where owing to the constant seepage of water the ground does 
not freeze the Wilson snijie may be found all winter. 
As to species the gallinaceous birds are better represented in Sioux county: 
the bob-white, prairie sharp tailed grouse, and sage hen are all found there. None 
of them are so common as is the California quail in Santa Cruz county. The 
band-tailed pigeon is not found in Nebraska. Some years it is very common in 
the Pajaro valley, so I am told, but last year the species was rather rare. The 
condor, white-tailed kite, duck hawk, barn owl, long-eared owl, and California 
screech owl were recorded in Santa Cruz county. Some of them undoubtedly 
occur in Sioux county but were not seen there. The western red-tailed hawk is 
replaced there by the Krider hawk, and the Pacific horned owl by^ the western 
horned ow l. The barred owd’s characteristic hoot is often heard in Sioux county' 
but not in Santa Cruz. The prairie falcon although occuring in Santa Cruz county' 
was not seen during the summer, in Sioux county^ This is due to the fact that the 
country is thinly^ settled and the birds have a chance to live undisturbed. 
The order Coccyges is represented by different species in the two localities; 
in Nebraska there are the yellow and black-billed cuckoo; the road-runner and 
California cuckoo do not occur there. 
One of the most conspicuous woodpeckers in Sioux county is the red-headed, 
which is replaced in California by the California woodpecker. None of the 
smaller members of the genus Dryobates have been noted in Sioux countyq but in 
Santa Cruz the willow woodpecker is common. 
The Macrochires are stronger on small species in California and on large 
species in Nebraska. Two hummingbirds, the Anna and rufous, are common in 
Santa Cruz county but are not found in Sioux county; neither does the Vaux 
swift occur there. The nighthawk on the other hand is very common. 
The most common flycatcher in Sioux county is the Say phoebe, while the 
black phcebe is the most common in Santa Cruz. This and the western flycatcher 
