Long-billed Gnatwren

12 cm. Uniform brown above. Tail gray brown, the outer tail feathers tipped white. Below grayish white, the sides of the belly with a rusty tinge. Bill slender, very long. Song a clear trill, call is a repeated "zek ... zek....zek... " Swiftly forages through the canopy of trees and lower at forest edge. Usually keeps its tail cocked like a wren and wags tail up and down when exited. A nest found on November 30, 1997, at Fazenda Intervales had a cup-like shape and was situated in dense tangles ca 2 meters off the ground. Common. Humid forest, forest borders and tangles in secondary woodland. Sometimes in mixed parties. Throughout the coastal areas but apparently missing inland. Mostly below 800 meters 7719 Song. Fazenda Intervales, 11<10>30<10>97. Sunny, 27<91>C. Secondary forest.: 7733 Calls close to nest, Fazenda Intervales, 11<10>30<10>97. Sunny, 27<91>C. Secondary forest.: 12537 Song, ca. 80 probable . Jureia-Peruibe, 10<10>13<10>99. Sunny, 20<91>C. Primary forest. With /Tinamus solitarius .: 5748 Song, Despraiado, S<C4>o Paulo, near Iguape, November 14, 1995, sunny, 30<91>C, open forest.: 6774 > :