Geographical distribution of Alder flycatcher.    Breeding  Migration  Nonbreeding
Alder Flycatcher (Empidonax alnorum), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/aldfly
Cephas