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 grey in colour 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-grey gnatcatcher, Polioptila caerulea (A) 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 (A) House wren, Troglodytes aedon (A) Winter wren, Troglodytes hiemalis Sedge wren, Cistothorus platensis (A) Marsh wren, Cistothorus palustris (A) Carolina wren, Thryothorus ludovicianus (A) Bewick's wren, Thryomanes bewickii (A) 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 greys and browns in their appearance. Grey catbird, Dumetella carolinensis Brown thrasher, Toxostoma rufum (A) Northern mockingbird, Mimus polyglottos Starlings Order: PasseriformesFamily: Sturnidae Starlings and mynas are small to medium-sized Old World passerine birds with strong feet. Their flight is strong and direct and most are very gregarious. Their preferred habitat is fairly open country, and they eat insects and fruit. The plumage of several species is 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 (A) Townsend's solitaire, Myadestes townsendi (A) Veery, Catharus fuscescens Grey-cheeked thrush, Catharus minimus (A) Bicknell's thrush, Catharus bicknelli (A) Swainson's thrush, Catharus ustulatus Hermit thrush, Catharus guttatus Wood thrush, Hylocichla mustelina (A) Fieldfare, Turdus pilaris (A) Redwing, Turdus iliacus (A) American robin, Turdus migratorius Varied thrush, Ixoreus naevius (A) Old World flycatchers Order: PasseriformesFamily: Muscicapidae The Old World flycatchers are a large family of small passerine birds. These are mainly small arboreal insectivores, many of which, as the name implies, take their prey on the wing.