Part 32

646. =Orange-crowned warbler.= HELMINTHOPHILA CELATA. Summer resident; not uncommon; common migrant; breeds from 6,000 to 9,000 feet.

646a. =Lutescent warbler.= HELMINTHOPHILA CELATA LUTESCENS. Summer resident; not uncommon: western form of the orange-crowned warbler; ranges to eastern base of mountains.

647. =Tennessee warbler.= HELMINTHOPHILA PEREGRINA. Rare migrant; eastern Colorado to base of mountains.

648. =Parula warbler.= COMPSOTHLYPIS AMERICANA. Rare summer resident; comes to base of foothills.

652. =Yellow warbler.= DENDROICA ÆSTIVA. Abundant summer resident; breeds up to 8,000 feet.

652a. =Sonora yellow warbler.= DENDROICA ÆSTIVA SONORANA. Summer resident; probably common; to the southwest æstiva shades into sonorana.

654. =Black-throated blue warbler.= DENDROICA CÆRULESCENS. Rare migrant; one record.

655. =Myrtle warbler.= DENDROICA CORONATA. Common migrant; scarcely known west of the range.

656. =Audubon's warbler.= DENDROICA AUDUBONI. Abundant summer resident; breeds from 7,000 to 11,000 feet.

657. =Magnolia warbler.= DENDROICA MACULOSA. Rare migrant; breeds northward.

658. =Cerulean warbler.= DENDROICA RARA. Rare migrant; one record.

661. =Black-poll warbler.= DENDROICA STRIATA. Rare summer resident; sometimes common in migration; one breeding record for the State--at Seven Lakes; altitude, 11,000 feet.

664. =Grace's warbler.= DENDROICA GRACIÆ. Summer resident; common in extreme southwestern part of the State.

665. =Black-throated gray warbler.= DENDROICA NIGRESCENS. Summer resident; not infrequent; breeds in pinon hills near Cañon City.

668. =Townsend's warbler.= DENDROICA TOWNSENDI. Summer resident; not uncommon; western species, coming east to base of foothills and a few miles out on plains; breeds from 5,500 to 8,000 feet in western Colorado; in fall it is found as high as 10,000 feet.

672. =Palm warbler.= DENDROICA PALMARUM. Rare or accidental migrant; one specimen seen.

674. =Oven-bird.= SEIURUS AUROCAPILLUS. Rare breeder, on Mr. Aiken's authority.

675a. =Grinnell's water thrush.= SEIURUS NOVEBORACENSIS NOTABILIS. Rare migrant; appearing from plains to 8,000 feet.

678. =Connecticut warbler.= GEOTHLYPIS AGILIS. Rare or accidental migrant; one record by Mr. Aiken.

680. =Macgillivray's warbler.= GEOTHLYPIS TOLMIEI. Common summer resident; breeds from base of foothills to 9,000 feet.

681. =Maryland yellow-throat.= GEOTHLYPIS TRICHAS. One taken at Colorado Springs by Mr. Aiken.

681a. =Western yellow-throat.= GEOTHLYPIS TRICHAS OCCIDENTALIS. Common summer resident, almost restricted to the plains; both sides of the range.

683. =Yellow-breasted chat.= ICTERIA VIRENS. Accidental summer visitor.

683a. =Long-tailed chat.= ICTERIA VIRENS LONGICAUDA. Common summer resident; scarcely found in the mountains, but frequent in the lower foothills and on the plains; never seen above 8,000 feet.

685. =Wilson's warbler.= WILSONIA PUSILLA. Abundant summer resident; centre of abundance in breeding season, 11,000 feet; known to breed at 12,000 feet; also as low as 6,000.

685a. =Pileolated warbler.= WILSONIA PUSILLA PILEOLATA. Summer resident; not uncommon; Mr. Aiken thinks it as plentiful as preceding.

686. =Canadian warbler.= WILSONIA CANADENSIS. Rare or accidental migrant; one record by Mr. Aiken.

687. =American redstart.= SETOPHAGA RUTICILLA. Summer resident; not uncommon in eastern, rare in western, Colorado; breeds below 8,000 feet.