Species Identification of Vagrant Empidonax Flycatchers in Northeastern North America via Non-invasive DNA Sequencing.Published in:Northeastern Naturalist, 2017, v. 24, n. 4, p. -1, doi. 10.1656/045.024.0408Publication type:Article
Speciation in Empidonax Flycatchers.Published in:Ecology, 1981, v. 62, n. 5, p. 1403, doi. 10.2307/1937310By:Whitmore, Robert C.Publication type:Article
Speciation in Empidonax Flycatchers.Published in:Ecology, 1981, v. 62, n. 5, p. 1405, doi. 10.2307/1937312By:Whitmore, Robert C.Publication type:Article
Simple technique for distinguishing Yellow-bellied Flycatchers from Cordilleran and Pacific-slope flycatchers.Published in:Journal of Field Ornithology, 2014, v. 85, n. 4, p. 391, doi. 10.1111/jofo.12078By:Baumann, Matthew J.;Galen, Spencer C.;Pederson, Nicholas D.;Witt, Christopher C.Publication type:Article