Geographical distribution of Least flycatcher.    Breeding  Migration  Nonbreeding
Tarof, S. and J. V. Briskie (2008). Least Flycatcher (Empidonax minimus), version 2.0. In The Birds of North America (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi-org.acces.bibl.ulaval.ca/10.2173/bna.99
Cephas