Species Differences in the Songs of the Critically Endangered Niceforo's Wren and the Related Rufous-and-White Wren

Valderrama, Sandra V.; Parra, Jorge; Mennill, Daniel J.

doi:10.1650/0010-5422(2007)109[870:sditso]2.0.co;2

Cited by 9 publications

(8 citation statements)

References 19 publications

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“…This is one of the few studies of song variation in endangered oscine birds (Valderrama et al . , Laiolo et al . ) and is the first analysis of geographical song variation in the endangered Yellow Cardinal.…”

Section: Discussionmentioning

confidence: 99%

Effects of fragmentation and hybridization on geographical patterns of song variation in the endangered Yellow Cardinal Gubernatrix cristata

Domínguez

Reboreda

Mahler

2016

Ibis

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The song learning process may lead to small‐scale geographical variation in vocalizations of oscine birds. This variation can be further enhanced by the effects of habitat fragmentation or hybridization. Populations of the endangered Yellow Cardinal Gubernatrix cristata are now patchily distributed in the southern South American thorny shrubland forests and are small as a consequence of the pressure exerted by increased habitat transformation and illegal trade. We study the Yellow Cardinal's vocalizations throughout its distribution and assess how habitat characteristics and fragmentation, as well as hybridization with the Common Diuca Diuca diuca, have affected song patterns of different populations. We expected to find song differences among populations and songs to be more similar to those of the Common Diuca in areas where hybridization occurs. Multivariate analyses revealed significant differences in song between the four populations studied and confirmed that songs are more similar to those of Common Diuca where hybridization takes place. These results, in conjunction with genetic studies, can help to establish management units that preserve genetic and cultural variation in this endangered species.

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Section: Discussionmentioning

confidence: 99%

Effects of fragmentation and hybridization on geographical patterns of song variation in the endangered Yellow Cardinal Gubernatrix cristata

Domínguez

Reboreda

Mahler

2016

Ibis

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“…Species and subspecies differences have been documented in other members of the family Troglodytidae using acoustic characters (e.g. Hylorchilus navai vs H. sumichrasti , Gómez de Silva 1997; Thryothorus nicefori vs T. rufalbus , Valderrama et al 2007; Troglodytes pacificus vs T. hiemalis , Toews and Irwin 2008; Henicorhina l. leucophrys vs H. l. hilaris , Dingle et al 2010), showing that songs can reveal species limits, even in song‐learning species that have highly complex vocalizations.…”

Section: Discussionmentioning

confidence: 99%

Geographic variation and the evolution of song in Mesoamerican rufous‐naped wrensCampylorhynchus rufinucha

Sosa‐López¹,

Mennill²,

Navarro‐Sigüenza³

2012

Journal of Avian Biology

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Speciation may be influenced by geographic variation in animal signals, particularly when those signals are important in reproductive decisions. Here, we describe patterns of geographic variation in the song of rufous-naped wrens Campylorhynchus rufinucha. This species complex is a morphologically variable taxon confined to tropical dry forest areas from Mexico to northwestern Costa Rica. Morphological and genetic analyses suggest that there are at least three partially isolated groups within the complex, including a secondary-contact zone in coastal western Chiapas between the subspecies C. r. humilus and C. r. nigricaudatus. Based on recordings throughout their geographic range, we investigate the effects of historical isolation on song structure and analyze whether genetic differences or climatic conditions explain observed patterns of variation. Our findings, based on a culturally-transmitted and sexually-selected trait, support the hypothesis that three evolutionary units exist within this taxon. Our results suggest that song differences between genetic groups were influenced by historical isolation. We report a strong relationship between vocal dissimilarity and genetic distance, suggesting that differences in vocal characteristics are probably affected by the same factors that drive genetic divergence. We argue that the evolution of song in this taxon is influenced by vicariant events, followed by accumulation of changes in song structure due to several possible factors: cultural drift in song structure; genetic drift in features related to song production; or natural selection acting on features that influence songs, such as body and beak size.

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“…La detección visual de esta especie es difícil, por lo que su identificación está asociada a la detección acústica debido a los pocos individuos que pueden habitar en un territorio (Valderrama et al 2007b). Con base en esto, la presente nota complementa la información reportada para la especie, la cual estaba centrada en individuos adultos (Valderrama et al 2007a, Valderrama et al 2008, Valderrama et al 2007b, sin embargo, poco se había descrito hasta ahora sobre la morfología, y algunos aspectos ecológicos de volantones asociados a la dieta, ectoparasitismo y el comportamiento petitorio.…”

Section: Longitud Del Tarso 28unclassified

“…En los últimos años a través de estudios bioacústicos y genéticos se han podido diferenciar nuevas especies de cucaracheros (Troglodytidae) para el Neotrópico (Valderrama et al 2007a, Mann et al 2009Lara et al 2012). Particularmente, en Colombia se han descrito 35 especies de las cuales seis son endémicas en el país (Avendaño et al 2017), sin embargo, es poco lo que se conoce acerca de la morfología, historia natural y ecología de este grupo de aves (Brewer 2001).…”

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“…A pesar de algunos estudios sobre la historia natural de la especie relacionados principalmente con características reproductivas, bioacústicas y genéticas (Valderrama et al 2007a, Valderrama et al 2007b, Vargas-Moreno 2007, se desconoce información básica sobre su morfología, comportamiento, dieta y requerimientos ecológicos específicos, los cuales son necesarios para entender los factores que inciden en su descenso poblacional, y así desarrollar planes de manejo y conservación para esta especie (Valderrama et al 2007b, Parra et al 2016. En esta nota, se reporta por primera vez la descripción morfológica de un volantón de T. nicefori con observaciones sobre su estado corporal, carga parasitaria, y vocalizaciones de reclamo a sus progenitores; además, se proporciona información sobre las presas capturadas y ofrecidas posiblemente por uno de los padres al volantón, y las características de un nido de la especie encontrado en un escarpe húmedo del Noreste de los Andes Colombianos.…”

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DESCRIPCIÓN MORFOLÓGICA DE UN VOLANTÓN DE Thryophilus nicefori (MEYER DE SCHAUENSEE, 1946) EN EL NORESTE DE LOS ANDES COLOMBIANOS CON NOTAS SOBRE SU ECOLOGÍA

Collazos-González

Castillo-Figueroa

2020

Oecol. Aust.

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Resumen: El cucarachero de Nicéforo Thryophilus nicefori es una especie que, pese a estar en peligro de extinción es poco conocida respecto a su morfología, ecología e historia natural. Dicha información básica contempla, entre otras cosas, aspectos asociados a la biometría, uso de hábitat, comportamiento y dieta. Esta información, además de contribuir con nuevo conocimiento acerca de la biología de esta especie, puede ser útil en el desarrollo de planes de manejo y conservación de sus poblaciones. En esta nota se describe por primera vez la morfología de un volantón de T. nicefori en un bosque húmedo premontano en la Mesa de Xéridas (Santander, Colombia). Se realizan anotaciones sobre los ectoparásitos asociados al volantón, el comportamiento vocal hacia sus progenitores, las presas capturadas por uno de ellos y la descripción de su nido. Palabras clave: Cañón del Chicamocha; comportamiento; especie endémica; historia natural; cucarachero. MORPHOLOGICAL DESCRIPTION OF A FLEDGING OF Thryophilus nicefori (MEYER DE SCHAUENSEE, 1946) IN THE NORTHEAST OF THE COLOMBIAN ANDES WITH OBSERVATIONS ON ITS ECOLOGY: Niceforo's wren, Thryophilus nicefori is a species that, despite to be endangered is very little known in their morphology, ecology and natural history. Here we report some aspects of its biometry, habitat use, nesting behavior, and diet, which in addition to contributing new knowledge about the biology of the species, can be useful in the development of conservation planning for their populations. This is the first study to describe the morphology of a fledgling of T. nicefori in a premontane moist forest in the Mesa de Xéridas (Santander, Colombia). We also described associated ectoparasites from the fledgling, the vocal behavior to their parents, the prey captured by one of them and the description of their nest.

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Species Differences in the Songs of the Critically Endangered Niceforo's Wren and the Related Rufous-and-White Wren

Cited by 9 publications

References 19 publications

Effects of fragmentation and hybridization on geographical patterns of song variation in the endangered Yellow Cardinal Gubernatrix cristata

Effects of fragmentation and hybridization on geographical patterns of song variation in the endangered Yellow Cardinal Gubernatrix cristata

Geographic variation and the evolution of song in Mesoamerican rufous‐naped wrensCampylorhynchus rufinucha

DESCRIPCIÓN MORFOLÓGICA DE UN VOLANTÓN DE Thryophilus nicefori (MEYER DE SCHAUENSEE, 1946) EN EL NORESTE DE LOS ANDES COLOMBIANOS CON NOTAS SOBRE SU ECOLOGÍA

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