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A New Species of Wren (Troglodytidae: Thryophilus) from the Dry Cauca River Canyon, Northwestern Colombia
We describe a new species of wren in the genus Thryophilus (Troglodytidae) based on analysis of morphological, vocal, and genetic variation. Individuals of the new species are readily separated in the field or the museum from those of any other wren species, including its closest relatives T. rufalb...
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Published in: | The Auk 2012-07, Vol.129 (3), p.537-550 |
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creator | Lara, Carlos Esteban Cuervo, Andrés M Valderrama, Sandra V Calderón-F, Diego Cadena, Carlos Daniel |
description | We describe a new species of wren in the genus Thryophilus (Troglodytidae) based on analysis of morphological, vocal, and genetic variation. Individuals of the new species are readily separated in the field or the museum from those of any other wren species, including its closest relatives T. rufalbus and T. nicefori, by a combination of traits including, but not limited to, plumage coloration of the upperparts, the pattern of barring on the wings and tail, overall smaller body size, a richer repertoire of syllable types, shorter trills, and distinctive terminal syllables. The new species is allopatrically distributed in relation to its congeners, being restricted to the dry Cauca River Canyon, a narrow inter-Andean valley enclosed by the Nechí Refuge rainforests and the northern sectors of the Western and Central Andes of Colombia. Individuals or pairs have been found only in remnant patches of dry forest and scrub at 250– 850 m elevation. This newly discovered species is uncommon and threatened because of ongoing transformation of natural habitats in the Cauca River Canyon, and especially because of the planned construction of a major dam in the region; immediate conservation actions are thus imperative. |
doi_str_mv | 10.1525/auk.2012.12028 |
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Individuals of the new species are readily separated in the field or the museum from those of any other wren species, including its closest relatives T. rufalbus and T. nicefori, by a combination of traits including, but not limited to, plumage coloration of the upperparts, the pattern of barring on the wings and tail, overall smaller body size, a richer repertoire of syllable types, shorter trills, and distinctive terminal syllables. The new species is allopatrically distributed in relation to its congeners, being restricted to the dry Cauca River Canyon, a narrow inter-Andean valley enclosed by the Nechí Refuge rainforests and the northern sectors of the Western and Central Andes of Colombia. Individuals or pairs have been found only in remnant patches of dry forest and scrub at 250– 850 m elevation. This newly discovered species is uncommon and threatened because of ongoing transformation of natural habitats in the Cauca River Canyon, and especially because of the planned construction of a major dam in the region; immediate conservation actions are thus imperative.</description><identifier>ISSN: 0004-8038</identifier><identifier>ISSN: 1938-4254</identifier><identifier>EISSN: 1938-4254</identifier><identifier>EISSN: 2732-4613</identifier><identifier>DOI: 10.1525/auk.2012.12028</identifier><language>eng</language><publisher>Waco: University of California Press</publisher><subject>Animal vocalization ; Antioquia ; Biological taxonomies ; Body size ; Canyons ; color ; Colors ; Dry forests ; duet ; Freshwater ; Genetic diversity ; genetic variation ; Habitat conservation ; habitats ; inter-Andean valley ; Museums ; New species ; Niceforo's Wren ; Phylogenetics ; Plumage ; rain forests ; Rainforests ; Research s ; Rivers ; Rufous-and-white Wren ; shrublands ; Studies ; Syllables ; Systematics ; tail ; Taxa ; Threatened species ; Thryothorus ; Troglodytidae ; tropical dry forest ; wings</subject><ispartof>The Auk, 2012-07, Vol.129 (3), p.537-550</ispartof><rights>2012 by The American Ornithologists' Union. All rights reserved.</rights><rights>2012 by The American Ornithologists' Union</rights><rights>Copyright (c) 2012 by The American Ornithologists' Union</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b437t-27eb1154c3fd40b56eebfd182efe5e33aec9cfe0080c155158406e9d75cdf91b3</citedby><cites>FETCH-LOGICAL-b437t-27eb1154c3fd40b56eebfd182efe5e33aec9cfe0080c155158406e9d75cdf91b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Lara, Carlos Esteban</creatorcontrib><creatorcontrib>Cuervo, Andrés M</creatorcontrib><creatorcontrib>Valderrama, Sandra V</creatorcontrib><creatorcontrib>Calderón-F, Diego</creatorcontrib><creatorcontrib>Cadena, Carlos Daniel</creatorcontrib><title>A New Species of Wren (Troglodytidae: Thryophilus) from the Dry Cauca River Canyon, Northwestern Colombia</title><title>The Auk</title><description>We describe a new species of wren in the genus Thryophilus (Troglodytidae) based on analysis of morphological, vocal, and genetic variation. Individuals of the new species are readily separated in the field or the museum from those of any other wren species, including its closest relatives T. rufalbus and T. nicefori, by a combination of traits including, but not limited to, plumage coloration of the upperparts, the pattern of barring on the wings and tail, overall smaller body size, a richer repertoire of syllable types, shorter trills, and distinctive terminal syllables. The new species is allopatrically distributed in relation to its congeners, being restricted to the dry Cauca River Canyon, a narrow inter-Andean valley enclosed by the Nechí Refuge rainforests and the northern sectors of the Western and Central Andes of Colombia. Individuals or pairs have been found only in remnant patches of dry forest and scrub at 250– 850 m elevation. This newly discovered species is uncommon and threatened because of ongoing transformation of natural habitats in the Cauca River Canyon, and especially because of the planned construction of a major dam in the region; immediate conservation actions are thus imperative.</description><subject>Animal vocalization</subject><subject>Antioquia</subject><subject>Biological taxonomies</subject><subject>Body size</subject><subject>Canyons</subject><subject>color</subject><subject>Colors</subject><subject>Dry forests</subject><subject>duet</subject><subject>Freshwater</subject><subject>Genetic diversity</subject><subject>genetic variation</subject><subject>Habitat conservation</subject><subject>habitats</subject><subject>inter-Andean valley</subject><subject>Museums</subject><subject>New species</subject><subject>Niceforo's Wren</subject><subject>Phylogenetics</subject><subject>Plumage</subject><subject>rain forests</subject><subject>Rainforests</subject><subject>Research s</subject><subject>Rivers</subject><subject>Rufous-and-white Wren</subject><subject>shrublands</subject><subject>Studies</subject><subject>Syllables</subject><subject>Systematics</subject><subject>tail</subject><subject>Taxa</subject><subject>Threatened species</subject><subject>Thryothorus</subject><subject>Troglodytidae</subject><subject>tropical dry 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Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lara, Carlos Esteban</au><au>Cuervo, Andrés M</au><au>Valderrama, Sandra V</au><au>Calderón-F, Diego</au><au>Cadena, Carlos Daniel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A New Species of Wren (Troglodytidae: Thryophilus) from the Dry Cauca River Canyon, Northwestern Colombia</atitle><jtitle>The Auk</jtitle><date>2012-07-01</date><risdate>2012</risdate><volume>129</volume><issue>3</issue><spage>537</spage><epage>550</epage><pages>537-550</pages><issn>0004-8038</issn><issn>1938-4254</issn><eissn>1938-4254</eissn><eissn>2732-4613</eissn><abstract>We describe a new species of wren in the genus Thryophilus (Troglodytidae) based on analysis of morphological, vocal, and genetic variation. Individuals of the new species are readily separated in the field or the museum from those of any other wren species, including its closest relatives T. rufalbus and T. nicefori, by a combination of traits including, but not limited to, plumage coloration of the upperparts, the pattern of barring on the wings and tail, overall smaller body size, a richer repertoire of syllable types, shorter trills, and distinctive terminal syllables. The new species is allopatrically distributed in relation to its congeners, being restricted to the dry Cauca River Canyon, a narrow inter-Andean valley enclosed by the Nechí Refuge rainforests and the northern sectors of the Western and Central Andes of Colombia. Individuals or pairs have been found only in remnant patches of dry forest and scrub at 250– 850 m elevation. This newly discovered species is uncommon and threatened because of ongoing transformation of natural habitats in the Cauca River Canyon, and especially because of the planned construction of a major dam in the region; immediate conservation actions are thus imperative.</abstract><cop>Waco</cop><pub>University of California Press</pub><doi>10.1525/auk.2012.12028</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Animal vocalization Antioquia Biological taxonomies Body size Canyons color Colors Dry forests duet Freshwater Genetic diversity genetic variation Habitat conservation habitats inter-Andean valley Museums New species Niceforo's Wren Phylogenetics Plumage rain forests Rainforests Research s Rivers Rufous-and-white Wren shrublands Studies Syllables Systematics tail Taxa Threatened species Thryothorus Troglodytidae tropical dry forest wings |
title | A New Species of Wren (Troglodytidae: Thryophilus) from the Dry Cauca River Canyon, Northwestern Colombia |
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