Corvidae The family Corvidae includes crows, ravens, jays, choughs, magpies, treepies, nutcrackers, and ground jays. Corvids are above average in size among the Passeriformes, and some of the larger species show high levels of intelligence. Canada jay, Perisoreus canadensis (P) Blue jay, Cyanocitta cristata Clark's nutcracker, Nucifraga columbiana (A) Black-billed magpie, Pica hudsonia (A) American crow, Corvus brachyrhynchos Fish crow, Corvus ossifragus Common raven, Corvus corax (Ex) Tits, chickadees, and titmice Order: PasseriformesFamily: Paridae The Paridae are mainly small stocky woodland species with short stout bills. Some have crests. They are adaptable birds, with a mixed diet including seeds and insects. Carolina chickadee, Poecile carolinensis Black-capped chickadee, Poecile atricapilla Tufted titmouse, Baeolophus bicolor Larks Order: PasseriformesFamily: Alaudidae Larks are small terrestrial birds with often extravagant songs and display flights. Most larks are fairly dull in appearance. Their food is insects and seeds. Horned lark, Eremophila alpestris Swallows Order: PasseriformesFamily: Hirundinidae The family Hirundinidae is a group of passerines characterized by their adaptation to aerial feeding. These adaptations include a slender streamlined body, long pointed wings, and short bills 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 Tree swallow, Tachycineta bicolor Violet-green swallow, Tachycineta thalassina (P) Northern rough-winged swallow, Stelgidopteryx serripennis Purple martin, Progne subis Barn swallow, Hirundo rustica Cliff swallow, Petrochelidon pyrrhonota Cave swallow, Petrochelidon fulva (A) Kinglets Order: PasseriformesFamily: Regulidae The kinglets are a small family of birds which resemble the titmice. They are very small insectivorous birds in the genus Regulus. The adults have colored crowns, giving rise to their name. Ruby-crowned kinglet, Corthylio calendula 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 (C) Cedar waxwing, Bombycilla cedrorum 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 Brown-headed nuthatch, Sitta pusilla