Vilniaus universiteto Ekologijos institutas. – Vilnius : Vilniaus universiteto Ekologijos institutas. Mečislovas Žalakevičius, Irena Žalakevičienė. 2009.
Cordilleran Flycatcher — Conservation status Least Concern ( … Wikipedia
Pacific-slope Flycatcher — Taxobox name = Pacific slope Flycatcher status = LC | status system = IUCN3.1 regnum = Animalia phylum = Chordata classis = Aves ordo = Passeriformes familia = Tyrannidae genus = Empidonax species = E. difficilis binomial = Empidonax difficilis… … Wikipedia
Empidonax occidentalis — Cordilleran Flycatcher … Wikipedia Español
Sibley-Monroe checklist 10 — The Sibley Monroe checklist was a landmark document in the study of birds. It drew on extensive DNA DNA hybridisation studies to reassess the relationships between modern birds. PasseriformesAcanthisittidae* Acanthisitta chloris Rifleman *… … Wikipedia
List of birds in Canada and the United States — This list of birds in Canada and the United States is a comprehensive listing of all the bird species known from the North American continent north of Mexico as of July 2008.North American birds most closely resemble those of Eurasia, which was… … Wikipedia
List of birds of Mexico — This is a list of the bird species recorded in Mexico. The avifauna of Mexico includes a total of 1,085 species, of which 108 are endemic, six have been introduced by humans, and 51 are rare or accidental. One species listed is extirpated in… … Wikipedia
List of birds of Guatemala — This is a list of the bird species recorded in Guatemala. The avifauna of Guatemala includes a total of 735 species, of which 1 is endemic, 2 have been introduced by humans, and 23 are rare or accidental. 10 species are globally threatened.This… … Wikipedia
List of United States birds — This list of United States birds is a comprehensive listing of all the bird species known from the United States as of July, 2008. It does include species recorded in all 50 states.Continental United States birds most closely resemble those of… … Wikipedia
List of birds of Honduras — This is a list of the bird species recorded in Honduras. The avifauna of Honduras includes a total of 738 species, of which 1, the Honduran Emerald, is endemic, 2 have been introduced by humans, and 19 are rare or accidental. 10 species are… … Wikipedia
List of birds of Canada and the United States — A five year old Golden Eagle North American birds most closely resemble those of Eurasia, which was connected to the continent as part of the supercontinent Laurasia until around 60 million years ago.[1] Many groups occur throughout the northern… … Wikipedia
