Order: Passeriformes | Family: Tyrannidae | IUCN Status: Least Concern
Age: Adult | Sex: Unknown | Loc. Eastern Amazonia, Brazil
Age: Adult | Sex: Unknown | Loc. Acre, Brazil
Age: Adult | Sex: Unknown | Loc. Manu National Park, Peru
Age: Adult | Sex: Unknown | Loc. Manaus, Brazil
Status: The Slender-footed Tyrannulet is uncommon and widespread in Amazonia where it is known to range up to 1000 m along the foothill of the Andes. It also occurs in Co, Ec, Br, and Bo.
Name in Spanish: Moscareta de Pata Delgada.
Sub-species: Slender-footed Tyrannulet. (Zimmerius gracilipes gracilipes), (P. L. Sclater and Salvin), 1868. SE Venezuela (S Bolívar, Amazonas), extreme E Colombia (Vichada S to Amazonas), NW Brazil (Amazonas), E Ecuador and NE Peru (Loreto).
(Zimmerius gracilipes gilvus), (J. T. Zimmer), 1941. W & S Amazonian Brazil (Amazonas S to Rondônia and N Mato Grosso), C & SE Peru and N Bolivia (S to Cochabamba and N Santa Cruz).
Meaning of Name: Zimmerius: In honor of Dr. John Todd Zimmer (1889-1957) US ornithologist, taxonomist. gracilipes: L. gracilis= slender and pes, pedis= foot. gracilipes, gracilipedis= slender-footed.

References:
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- Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. http://fm2.fieldmuseum.org/uw_test/birdsofperu on 03/01/2017.