(Ex) 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 Gnatcatchers Order: PasseriformesFamily: Polioptilidae These dainty birds resemble Old World warblers in their structure and habits, moving restlessly through the foliage seeking insects. The gnatcatchers are mainly soft bluish gray in color and have the typical insectivore's long sharp bill. Many species have distinctive black head patterns (especially males) and long, regularly cocked, black-and-white tails. Blue-gray gnatcatcher, Polioptila caerulea 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. Rock wren, Salpinctes obsoletus (C) House wren, Troglodytes aedon Winter wren, Troglodytes hiemalis Sedge wren, Cistothorus platensis Marsh wren, Cistothorus palustris Carolina wren, Thryothorus ludovicianus Bewick's wren, Thryomanes bewickii Mockingbirds and thrashers Order: PasseriformesFamily: Mimidae The mimids are a family of passerine birds that 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 in their appearance. Gray catbird, Dumetella carolinensis Brown thrasher, Toxostoma rufum Sage thrasher, Oreoscoptes montanus (A) Northern mockingbird, Mimus polyglottos Starlings Order: PasseriformesFamily: Sturnidae Starlings are small to medium-sized passerine birds with strong feet. Their flight is strong and direct and they are very gregarious. Their preferred habitat is fairly open country, and they eat insects and fruit. Plumage is typically dark with a metallic sheen. European starling, Sturnus vulgaris (I) Thrushes and allies Order: PasseriformesFamily: Turdidae The thrushes are a group of passerine birds that occur mainly but not exclusively in the Old World. They are plump, soft plumaged, small to medium-sized insectivores or sometimes omnivores, often feeding on the ground. Many have attractive songs. Eastern bluebird, Sialia sialis Mountain bluebird, Sialia currucoides (C) Townsend's solitaire, Myadestes townsendi Veery, Catharus fuscescens Gray-cheeked thrush, Catharus minimus Swainson's thrush, Catharus ustulatus Hermit thrush, Catharus guttatus Wood thrush, Hylocichla mustelina American robin, Turdus migratorius Varied thrush, Ixoreus naevius Old World sparrows Order: PasseriformesFamily: Passeridae Old World sparrows are small passerine birds. In general, sparrows tend to be