Part 33

697. =American pipit.= ANTHUS PENSILVANICUS. Common summer resident; breeds only on summits of the mountains.

701. =American dipper.= CINCLUS MEXICANUS. Resident; common in favorite localities; one seen above timber-line in October.

702. =Sage thrasher.= OROSCOPTES MONTANUS. Summer resident; breeds from plains to nearly 10,000 feet; western species, coming east to mountain slopes.

703. =Mocking-bird.= MIMUS POLYGLOTTOS. Summer resident; common locally; mostly on plains, but sometimes reaches 8,000 feet.

704. =Catbird.= GALEOSCOPTES CAROLINENSIS. Common summer resident; from plains to 8,000 feet.

705. =Brown thrasher.= HARPORHYNCHUS RUFUS. Not uncommon as summer resident; almost restricted to the plains.

708. =Bendire's thrasher.= HARPORHYNCHUS BENDIREI. Summer resident; rare and local; south central part of State.

715. =Rock wren.= SALPINCTES OBSOLETUS. Common summer resident; breeds from plains to 12,000 feet.

717a. =Cañon wren.= CATHERPES MEXICANUS CONSPERSUS. Rare resident; one nest recorded.

719b. =Baird's wren.= THRYOMANES BEWICKII LEUCOGASTER. Rare summer resident.

721b. =Western house wren.= TROGLODYTES AËDON AZTECUS. Common summer resident; from plains to 10,000 feet; raises two broods, sometimes three.

722. =Winter wren.= ANORTHURA HIEMALIS. Rare resident; no nest found.

725a. =Tulé wren.= CISTOTHORUS PALUDICOLA. Summer resident; not uncommon; breeds from plains to 8,000 feet; some remain all winter in hot-water swamps.

725c. =Western marsh wren.= CISTOTHORUS PALUSTRIS PLESIUS. Summer resident; not uncommon locally.

726b. =Rocky Mountain creeper.= CERTHIA FAMILIARIS MONTANA. Common resident; in breeding season confined to the immediate vicinity of timber-line, where some remain the year round.

727. =White-breasted nuthatch.= SITTA CAROLINENSIS. Resident; not common.

727a. =Slender-billed nuthatch.= SITTA CAROLINENSIS ACULEATA. Common resident; western form; commonly breeds from 7,500 feet to timber-line.

728. =Red-breasted nuthatch.= SITTA CANADENSIS. Not uncommon resident; migrant on the plains; resident in the mountains to about 8,000 feet, sometimes 10,000.

730. =Pigmy nuthatch.= SITTA PYGMÆA. Abundant resident; mountain bird; makes scarcely any migration; most common from 7,000 to 10,000 feet.

733a. =Gray titmouse.= PARUS INORNATUS GRISEUS. Resident; not common; southern species, coming to eastern foothills.

735a. =Long-tailed chickadee.= PARUS ATRICAPILLUS SEPTENTRIONALIS. Not uncommon resident; winters on plains and in foothills; breeds from 7,000 to 10,000 feet; sometimes on plains.

738. =Mountain chickadee.= PARUS GAMBELI. Abundant resident; nests from 8,000 feet to timber-line; ranges in the fall to the tops of the loftiest peaks.

744. =Lead-colored bush-tit.= PSALTRIPARUS PLUMBEUS. Resident; not common; western species, coming to eastern foothills.

748. =Golden-crowned kinglet.= REGULUS SATRAPA. Rare summer resident; rather common in migration; breeds only near timber-line at about 11,000.

749. =Ruby-crowned kinglet.= REGULUS CALENDULA. Abundant summer resident; breeds from 9,000 feet to timber-line.

751. =Blue-gray gnatcatcher.= POLIOPTILA CÆRULEA. Rare summer resident; breeds on the plains and in the foothills.

754. =Townsend's solitaire.= MYADESTES TOWNSENDII. Common resident; breeds from 8,000 to 12,000 feet; winters in mountains, though stragglers are sometimes seen on the plains. The author saw a pair on plains near Arvada, in company with a young, well-fledged bird.

756a. =Willow thrush.= HYLOCICHLA FUSCESCENS SALICICOLA. Summer resident; rather common; breeds in foothills and parks up to about 8,000 feet.