Vilniaus universiteto Ekologijos institutas. – Vilnius : Vilniaus universiteto Ekologijos institutas. Mečislovas Žalakevičius, Irena Žalakevičienė. 2009.
Ortalis cinereiceps — Guacharaca de cabeza gris … Wikipedia Español
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Ortalis — Ortalides … Wikipédia en Français
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List of birds of Colombia — This is a list of the bird species recorded in Colombia. The avifauna of Colombia includes a total of 1895 species, of which 74 are endemic, 2 have been introduced by humans, and 87 are rare or accidental. 1 species listed is extirpated in… … Wikipedia
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Cracidae — Cracidés … Wikipédia en Français
Penelopinae — Pénélopinés … Wikipédia en Français
