ooded mountains; sometimes
breeds as high as 8,000 feet; in fall roams up to 9,500 in special
instances.

484a. =Rocky Mountain jay.= PERISOREUS CANADENSIS CAPITALIS. Common
resident; remains near timber-line throughout the year.

486. =American raven.= CORVUS CORAX SINUATUS. Resident; common locally;
breeds; rather of western Colorado, but visitant among eastern
mountains.

487. =White-necked raven.= CORVUS CRYPTOLEUCUS. Rare resident now;
formerly abundant along eastern base of the front range and a hundred
miles out on the plains; now driven out by advent of white man.

488. =American crow.= CORVUS AMERICANUS. Resident; common in
northeastern Colorado; rare in the rest of the State.

491. =Clark's nutcracker.= NUCIFRAGA COLUMBIANA. Abundant resident; a
mountain bird; breeds from 7,000 to 12,000 feet; sometimes in fall
gathers in "enormous flocks"; at that season wanders up to at least
13,000 feet; most remain in the mountains through the winter, though a
few descend to the plains.

492. =Pinon jay.= CYANOCEPHALUS CYANOCEPHALUS. Resident; abundant
locally; breeds almost exclusively among the pinon pines; keeps in small
parties during breeding season; then gathers in large flocks; wandering
up to 10,000 feet.

494. =Bobolink.= DOLICHONYX ORYZIVORUS. Rare summer visitor.

495. =Cowbird.= MOLOTHRUS ATER. Common summer resident; breeds from
plains to about 8,000 feet; author saw several in South Park.

497. =Yellow-headed blackbird.= XANTHOCEPHALUS XANTHOCEPHALUS. Common
summer resident; breeds in suitable places on the plains and in mountain
parks.

498. =Red-winged blackbird.= AGELAIUS PHOENICEUS. Common summer
resident; breeds mostly below 7,500 feet, though occasionally ascends to
9,000.

501b. =Western meadow-lark.= STURNELLA MAGNA NEGLECTA. Abundant summer
resident.

506. =Orchard oriole.= ICTERUS SPURIUS. Summer visitor; rare, if not
accidental.

507. =Baltimore oriole.= ICTERUS GALBULA. Marked as a rare summer
resident, though no record of nesting.

508. =Bullock's oriole.= ICTERUS BULLOCKI. Abundant summer resident;
breeds on plains and in mountain regions below 10,000 feet.

509. =Rusty blackbird.= SCOLECOPHAGUS CAROLINUS. Migrant; rare, if not
accidental; two records.

510. =Brewer's blackbird.= SCOLECOPHAGUS CYANOCEPHALUS. Abundant summer
resident.

511b. =Bronzed grackle.= QUISCALUS QUISCULA AENEUS. Summer resident; not
uncommon locally; comes only to eastern base of mountains.

514a