Eremophila alpestris (U) Swallows Order: PasseriformesFamily: Hirundinidae The family Hirundinidae is adapted to aerial feeding. They have a slender streamlined body, long pointed wings and a short bill with a wide gape. The feet are adapted to perching rather than walking, and the front toes are partially joined at the base. Bank swallow, Riparia riparia (O) Tree swallow, Tachycineta bicolor (U) Northern rough-winged swallow, Stelgidopteryx serripennis (O) Purple martin, Progne subis (PP) Barn swallow, Hirundo rustica (R) Cliff swallow, Petrochelidon pyrrhonota (O) Kinglets Order: PasseriformesFamily: Regulidae The kinglets are a small family of birds which resemble the titmice. They are very small insectivorous birds, mostly in the genus Regulus. The adults have colored crowns, giving rise to their names. Ruby-crowned kinglet, Corthylio calendula (U) Golden-crowned kinglet, Regulus satrapa Waxwings Order: PasseriformesFamily: Bombycillidae The waxwings are a group of birds with soft silky plumage and unique red tips to some of the wing feathers. In the Bohemian and cedar waxwings, these tips look like sealing wax and give the group its name. These are arboreal birds of northern forests. They live on insects in summer and berries in winter. Bohemian waxwing, Bombycilla garrulus Cedar waxwing, Bombycilla cedrorum (Unc) Nuthatches Order: PasseriformesFamily: Sittidae Nuthatches are small woodland birds. They have the unusual ability to climb down trees head first, unlike other birds which can only go upwards. Nuthatches have big heads, short tails, and powerful bills and feet. Red-breasted nuthatch, Sitta canadensis White-breasted nuthatch, Sitta carolinensis (R) Treecreepers Order: PasseriformesFamily: Certhiidae Treecreepers are small woodland birds, brown above and white below. They have thin pointed down-curved bills, which they use to extricate insects from bark. They have stiff tail feathers, like woodpeckers, which they use to support themselves on vertical trees. Brown creeper, Certhia americana Wrens Order: PasseriformesFamily: Troglodytidae Wrens are small and inconspicuous birds, except for their loud songs. They have short wings and thin down-turned bills. Several species often hold their tails upright. All are insectivorous. House wren, Troglodytes aedon (R) Winter wren, Troglodytes hiemalis Sedge wren, Cistothorus platensis (R) Marsh wren, Cistothorus palustris (R) Mockingbirds and thrashers Order: PasseriformesFamily: Mimidae The mimids are a family of passerine birds which includes thrashers, mockingbirds, tremblers and the New World catbirds. These birds are notable for their vocalization, especially their remarkable ability to mimic a wide variety of birds and other sounds heard outdoors. The species tend towards dull grays and browns