When starvation challenges the tradition of niche conservatism: on a new species of the saxicolous genus Phymaturus from Patagonia Argentina with pseudoarboreal foraging behaviour (Iguania, Liolaemidae)

Scolaro, Jose Alejandro and Ibarguengoytia, Nora Ruth and Pincheira-Donoso, Daniel (2008) When starvation challenges the tradition of niche conservatism: on a new species of the saxicolous genus Phymaturus from Patagonia Argentina with pseudoarboreal foraging behaviour (Iguania, Liolaemidae). Zootaxa (1786). pp. 48-60. ISSN 1175-5326

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Item Type:Article
Item Status:Live Archive

Abstract

The genus Phymaturus is known on the basis of almost twenty species with clear tendency to conserve saxicolous or terrestrial, and herbivorous niche. In this work, we present the description of a remarkable new Phymaturus species, Phymaturus agilis, with the peculiar ability to climb on large shrubs to feed on fresh flowers and fruits. This new species is a member of the Phymaturus patagonicus clade, restricted to Patagonia Argentina. Phymaturus agilis occurs at about 1100 m of elevation in a volcanic rocky plateau close to Ingeniero Jacobacci, in the south western area of Rio Negro Province, Argentina. Comparative analyses conducted on morphological and coloration traits revealed substantial differences from Phymaturus spectabilis, the only Phymaturus species living in sympatry with P. agilis. Individuals of both species had recently been recognized as members of a single taxon with broad phenotypic variation. Copyright © 2008 Magnolia Press.

Keywords:Iguania, Liolaeminae, Phymaturus, Phymaturus patagonicus, Reptilia, Squamata
Subjects:C Biological Sciences > C300 Zoology
Divisions:College of Science > School of Life Sciences
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ID Code:9014
Deposited On:29 Apr 2013 17:15

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