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- Crax abstract "Crax is a genus of curassows from tropical South America. Only the Great Curassow ranges north through Central America as far as Mexico.The variety of male bill ornament shapes and colors is typical for this genus, as is a curly crest and a contrasting white or rufous crissum. Crax species, even distantly related one, readily hybridize, with fertile offspring theoretically possible in all possible mating combinationsSpecies are: Great Curassow, Crax rubra Blue-billed Curassow, Crax alberti Yellow-knobbed Curassow, Crax daubentoni Wattled Curassow, Crax globulosa Red-billed Curassow Crax blumenbachii Bare-faced Curassow, Crax fasciolata Black Curassow, Crax alectorThis genus forms one of the two major lineages of curassows. It is distinguishable from its relatives by its obvious sexual dimorphism (only exception being the Black Curassow), which is by size only in Mitu, and minor or rare in Nothocrax and Pauxi.Crax curassows probably originated as a distinct lineage during the Tortonian (Late Miocene), some 10-9 mya, in the western or northwestern Amazonas basin, as indicated by mt and nDNA sequence data calibrated against geological events (Pereira & Baker 2004, Pereira et al. 2002). Some 6 mya during the Messinian, the ancestral Crax split into two lineages which are separated by the Colombian Andes and the Cordillera de Mérida which were uplifted around that time, and the Orinoco which consequently assumed its present-day basin.The northern lineage quite soon thereafter radiated into the ancestors of the Great, Blue-billed, and Yellow-knobbed Curassows, which were isolated from each other by the uplift of the northern Cordillera Occidental, and the Serranía del Perijá, respectively; it is fairly certain that these lineages were well distinct by the end of the Miocene. (Pereira & Baker 2004)The evolution of the 4 southern species was somewhat more complex. In the Messinian, about 6-5.5 mya, the ancestors of the Wattled Curassow became isolated in the western Amazonas basin. With increasing aridification of southeastern Brazil, the ancestors of the Red-billed Curassow found refuge in the mountain ranges between the Brazilian Highlands and the Atlantic during the mid-Zanclean, some 4.5-4 mya. The divergence between the Bare-faced and Black Curassow lineages apparently took place around the Uquian–Ensenadan boundary, some 1.5 mya. This which coincides with one or several period(s) of elevated sea levels during which the lower Amazonas basin was a brackish lagoon which offered little curassow habitat. Their present ranges are consequently still separated by the Amazonas river. (Pereira & Baker 2004)".
- Crax class Bird.
- Crax family Cracidae.
- Crax kingdom Animal.
- Crax order Galliformes.
- Crax phylum Chordate.
- Crax thumbnail Crax_albertiPCCA20051227-1981B.jpg?width=300.
- Crax wikiPageExternalLink ai_n9456682.
- Crax wikiPageExternalLink SB2002.pdf.
- Crax wikiPageExternalLink ?request=get-abstract&doi=10.1642%2F0004-8038%282004%29121%5B0682%3AVSOCAC%5D2.0.CO%3B2.
- Crax wikiPageID "1970676".
- Crax wikiPageRevisionID "553781057".
- Crax classis Bird.
- Crax familia Cracidae.
- Crax genus "Crax".
- Crax genusAuthority "Linnaeus, 1758".
- Crax hasPhotoCollection Crax.
- Crax imageCaption "Blue-billed Curassow, Crax alberti".
- Crax imageWidth "240".
- Crax name "Crax".
- Crax ordo Galliformes.
- Crax phylum Chordate.
- Crax regnum "Animalia".
- Crax subdivision "7".
- Crax subdivisionRanks "Species".
- Crax subject Category:Bird_genera.
- Crax subject Category:Crax.
- Crax subject Category:Curassows.
- Crax type Abstraction100002137.
- Crax type Category105838765.
- Crax type Cognition100023271.
- Crax type Concept105835747.
- Crax type Content105809192.
- Crax type GeneraOfBirds.
- Crax type Genus105845013.
- Crax type Idea105833840.
- Crax type Kind105839024.
- Crax type PsychologicalFeature100023100.
- Crax type Animal.
- Crax type Bird.
- Crax type Eukaryote.
- Crax type Species.
- Crax type Organism.
- Crax comment "Crax is a genus of curassows from tropical South America. Only the Great Curassow ranges north through Central America as far as Mexico.The variety of male bill ornament shapes and colors is typical for this genus, as is a curly crest and a contrasting white or rufous crissum.".
- Crax label "Crax".
- Crax label "Crax".
- Crax label "Crax".
- Crax label "Crax".
- Crax label "Crax".
- Crax label "Crax".
- Crax label "Гокко".
- Crax label "قراز".
- Crax sameAs Crax.
- Crax sameAs Crax.
- Crax sameAs Crax.
- Crax sameAs Crax.
- Crax sameAs Crax.
- Crax sameAs m.069yfw.
- Crax sameAs Q869569.
- Crax sameAs Q869569.
- Crax sameAs Crax.
- Crax wasDerivedFrom Crax?oldid=553781057.
- Crax depiction Crax_albertiPCCA20051227-1981B.jpg.
- Crax isPrimaryTopicOf Crax.
- Crax name "Crax".