The Mountain Elaenia, Elaenia frantzii, is a small passerine bird in the tyrant flycatcher family. It breeds in highlands from Guatemala to Colombia and western Venezuela. The scientific name celebrates the German physician and naturalist, Alexander von Frantzius. This tyrant flycatcher is 14-15 cm long and weighs 17-20 g. The upperparts are dull olive, with a narrow white eye ring. The wings are dusky with narrow yellow feather edges and two off-white wing bars.
Range map provided by Ridgely, R. S., T. F. Allnutt, T. Brooks, D. K. McNicol, D. W. Mehlman, B. E. Young, and J. R. Zook. 2007. Digital Distribution Maps of the Birds of the Western Hemisphere, version 3.0. NatureServe, Arlington, Virginia, USA.
Data provided by NatureServe in collaboration with Robert Ridgely, James Zook, The Nature Conservancy - Migratory Bird Program, Conservation International - CABS, World Wildlife Fund - US, and Environment Canada - WILDSPACE.