ins to 10,000 feet; breeds from plains to 11,000 feet;
eggs laid early in April.

367. =Short-eared owl.= ASIO ACCIPITRINUS. Resident, but not common;
highest record 9,500 feet.

368. =Barred owl.= SYRNIUM NEBULOSUM. Resident; few records; one
breeding pair found in the northeastern part of the State.

369. =Spotted owl.= SYRNIUM OCCIDENTALE. Resident; not common; a little
doubt as to its identity; but Mr. Aiken vouches for its presence in the
State.

371. =Richardson's owl.= NYCTALA TENGMALMI RICHARDSONI. Rare winter
visitor; a northern species.

372. =Saw-whet owl.= NYCTALA ACADICA. Resident; not uncommon; occurs
throughout the State below 8,000 feet.

373. =Screech owl.= MAGASCOPS ASIO. Rare resident; the eastern analogue
of the next.

373e. =Rocky Mountain screech owl.= MAGASCOPS ASIO MAXWELLIAE. Common
resident; found from plains and foothills to about 6,000 feet; rare
visitant at nearly 9,000 feet.

373g. =Aiken's screech owl.= MEGASCOPS ASIO AIKENI. Resident; limited to
from 5,000 to 9,000 feet.

374. =Flammulated screech owl.= MEGASCOPS FLAMMEOLA. Rare resident;
rarest owl in Colorado, if not in the United States; ten instances of
breeding, all in Colorado; twenty-three records in all for the State.

375a. =Western horned owl.= BUBO VIRGINIANUS PALLESCENS. Common
resident; breeds on the plains and in the mountains.

375b. =Arctic horned owl.= BUBO VIRGINIANUS ARCTICUS. Winter visitor;
not uncommon; breeds in arctic America.

376. =Snowy owl.= NYCTEA NYCTEA. Rare winter visitor; occurs on the
plains and in the lower foothills; range in summer, extreme northern
portions of northern hemisphere.

378. =Burrowing owl.= SPEOTYTO CUNICULARIA HYPOGAEA. Resident; abundant
locally; breeds on plains and up to 9,000 feet.

379. =Pygmy owl.= GLAUCIDIUM GNOMA. Resident; rare; favorite home in the
mountains; breeds as high as 10,000 feet.

382. =Carolina paroquet.= CONURUS CAROLINENSIS. Formerly resident; few
records; general range, east and south; now almost exterminated.

385. =Road-runner.= GEOCOCCYX CALIFORNIANUS. Resident; not common;
restricted to southern portion of the State; breeds throughout its
range; rare above 5,000 feet, though one was found in the Wet Mountains
at an altitude of 8,000 feet.

387. =Yellow-billed cuckoo.= COCCYZUS AMERICANUS. Rare summer visitor,
on the authority of Major Bendire.

387a. =California cuckoo.= COCCYZUS AMERICANUS OCCIDENTALIS. Summer
resident; not uncommon lo