Troglodytidae The wrens are mainly small and inconspicuous except for their loud songs. These birds have short wings and thin down-turned bills. Several species often hold their tails upright. All are insectivorous. Scaly-breasted wren, Microcerculus marginatus Flutist wren, Microcerculus ustulatus Wing-banded wren, Microcerculus bambla Tooth-billed wren, Odontorchilus cinereus House wren, Troglodytes aedon Tepui wren, Troglodytes rufulus Grass wren, Cistothorus platensis Bicolored wren, Campylorhynchus griseus Thrush-like wren, Campylorhynchus turdinus Moustached wren, Pheugopedius genibarbis Coraya wren, Pheugopedius coraya Buff-breasted wren, Cantorchilus leucotis Long-billed wren, Cantorchilus longirostris (E) Fawn-breasted wren, Cantorchilus guarayanus Gray wren, Cantorchilus griseus (E) White-breasted wood-wren, Henicorhina leucosticta Musician wren, Cyphorhinus aradusGnatcatchers Order: PasseriformesFamily: Polioptilidae These dainty birds resemble Old World warblers in their build and habits, moving restlessly through the foliage seeking insects. The gnatcatchers and gnatwrens are mainly soft bluish gray in color and have the typical insectivore's long sharp bill. They are birds of fairly open woodland or scrub, which nest in bushes or trees. Collared gnatwren, Microbates collaris Trilling gnatwren, Ramphocaenus melanurus Chattering gnatwren, Ramphocaenus sticturus Tropical gnatcatcher, Polioptila plumbea Rio Negro gnatcatcher, Polioptila facilis Creamy-bellied gnatcatcher, Polioptila lactea (near-threatened) Guianan gnatcatcher, Polioptila guianensis Klages's gnatcatcher, Polioptila paraensis Inambari gnatcatcher, Polioptila attenboroughi (E) Masked gnatcatcher, Polioptila dumicolaDonacobius Order: PasseriformesFamily: Donacobiidae The black-capped donacobius is found in wet habitats from Panama across northern South America and east of the Andes to Argentina and Paraguay. Black-capped donacobius Donacobius atricapillaThrushes Order: PasseriformesFamily: Turdidae The thrushes are a group of passerine birds that occur mainly 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. Orange-billed nightingale-thrush, Catharus aurantiirostris Veery, Catharus fuscescens Gray-cheeked thrush, Catharus minimus Swainson's thrush, Catharus ustulatus Rufous-brown solitaire, Cichlopsis leucogenys Pale-eyed thrush, Turdus leucops Yellow-legged thrush, Turdus flavipes Pale-breasted thrush, Turdus leucomelas Cocoa thrush, Turdus fumigatus Hauxwell's thrush, Turdus hauxwelli Rufous-bellied thrush, Turdus rufiventris Spectacled thrush, Turdus nudigenis Varzea thrush, Turdus sanchezorum Lawrence's thrush, Turdus lawrencii Pantepui thrush, Turdus murinus Creamy-bellied thrush, Turdus amaurochalinus Black-billed thrush, Turdus ignobilis Campina thrush, Turdus arthuri Black-hooded thrush, Turdus olivater Blacksmith thrush, Turdus subalaris White-necked thrush, Turdus albicollisMockingbirds 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 vocalizations, especially their ability to mimic a wide variety of birds and other sounds heard outdoors. Their coloring tends towards