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Taxonomic status of the rufous-bellied chachalaca (Ortalis wagleri)

Condor

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Abstract

The Rufous-bellied Chachalaca, Ortalis wagleri, of northwestern Mexico was merged with the morphologically different West Mexican Chachalaca, Ortalis poliocephala, on the basis of hybrids taken in the vicinity of Puerto Vallarta, Jalisco (Moore and Medina 1957). Eight specimens from that vicinity vary in appearance chronologically, from an individual similar to wagleri in 1892 through skins appearing to be F1 hybrids in 1955 to birds nearly indistinguishable from poliocephala in 1961. There is no other evidence of contact between the two forms. This is deemed insufficient evidence for considering the forms conspecific, and I recommend that Ortalis wagleri be restored to the status of species.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Taxonomic status of the rufous-bellied chachalaca (Ortalis wagleri)
Series title:
Condor
Volume
92
Issue:
3
Year Published:
1990
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
749-753
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
749
Last page:
753
Number of Pages:
5