Thraupidae (1 Viewer)

lewis20126 said:

Most mysterious - exclamation mark seems to have gone! :eek!:

cheers, alan

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While I can't prove it in this or any other case, there does seem to be a degree of Heisenburg's concept of observer effect at play whenever commenting on this forum in regard to the big lists!

Kirk I think you are referring to Heisenberg's related concept of the observer effect, which notes that measurements of certain systems cannot be made without affecting the systems, that is, without changing something in a system.

mb1848 said:

Kirk I think you are referring to Heisenberg's related concept of the observer effect, which notes that measurements of certain systems cannot be made without affecting the systems, that is, without changing something in a system.

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Indeed you are correct - and I am no better at Physics terms than I was in high school.

Regardless, its nice to think that the IOC regards and reacts to comments on the forum - albeit usually in matters much more important than the relative decorum of exclamation marks.

Peter Kovalik said:

Molecular phylogeny of Thraupis Boie, 1826 (Aves: Passeriformes) and taxonomic revision of the Thraupis episcopus (Linnaeus, 1766) - t. sayaca (Linnaeus, 1766) complex.

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Versao_Simplificada.pdf here

Taxonomic Status of the Streaked Saltator, Saltator striatipectus (Passeriformes: Thraupidae), from Puná Island, Ecuador
JUAN FREILE, ELISA BONACCORSO, XAVIER AMIGO, HÉCTOR CADENA-ORTIZ, RONALD NAVARRETE, ZOÉ AMIGO, PAOLO PIEDRAHITA, JAIME A. CHAVES

Abstract

The Streaked Saltator, Saltator striatipectus, is an uncommon to common resident of open areas, cultivated land, gardens, and forest edges, with ten subspecies recognized from west Costa Rica through west Peru (Brewer 2016). Patterns of plumage variation, especially mantle color and streaking pattern below, are complex across subspecies and age classes (Chapman 1926; Ridgely & Tudor 2009; Brewer 2016). Until recently, S. striatipectus was considered conspecific with the Lesser Antillean Saltator S. albicollis, but separated on the basis of genetic differentiation despite overall plumage similarities (Seutin et al. 1993). Actually, S. striatipectus and S. albicollis are not each other’s closest relatives (Chaves et al. 2013).

http://www.mapress.com/j/zt/article/view/zootaxa.4420.3.10

TiF Update May 20

Thraupidae: Still following IOC and Ridgely and Greenfield (2001), Yellow-tufted Dacnis, Dacnis egregia (inc. aequatorialis) has been split from Black-faced Dacnis, Dacnis lineata.

Also, the Black-and-chestnut Warbling-Finch, Poospiza whitii, has been split from the Black-and-rufous Warbling-Finch, Poospiza nigrorufa based on Jordan et al. (2017), Shultz and Burns (2013), and SACC Proposal 753.
[Thraupidae, Core Passeroidea V, 3.05]

Peter Kovalik said:

Proposal (730) to SACC

Revise generic limits in the Thraupidae

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730.04. Merge Tiaris bicolor into (extralimital) currently monotypic Melanospiza and recognize newly named Asemospiza for Tiaris obscurus and Tiaris fuliginosus. . PASSED (7 July 2018)

730.05. Recognize new genus Islerothraupis for Tachyphonus cristatus, T. luctuosus, and T. rufiventer. PASSED (7 July 2018)

730.12. Resurrect Poospizopsis Berlepsch for Poospiza caesar and P. hypochondria. PASSED (7 July 2018)

730.20. Recognize newly named Poecilostreptus for Tangara palmeri (and extralimital T. cabanisi); resurrect Chalcothraupis for Tangara ruficervix; and recognize newly named Stilpnia for Tangara cyanoptera, T. larvata, T. nigrocincta, T. cyanicollis, T. preciosa, T. peruviana, T, meyerdeschauenseei, T. vitriolina, T. cucullata, T. cayana, T. viridicollis, T, phillipsi, T. argyrofenges, and T. heinei. PASSED (7 July 2018)

730.02. Resurrect Corydospiza for Phrygilus alaudinus and Phrygilus carbonarius. DID NOT PASS (thus forcing their inclusion in Porphyrospiza)

730.06. Recognize new monotypic genus Maschalethraupis for Tachyphonus surinamus and recognize new monotypic genus Chrysocorypha for Tachyphonus delatrii. DID NOT PASS

730.16. Recognize newly named genus Ephippiospingus for Phrygilus dorsalis and P. erythronotus and recognize newly named genus Chionodacryon for Diuca speculifera. DID NOT PASS (thus forcing their inclusion in Idiopsar)

Peter Kovalik said:

730.04. Merge Tiaris bicolor into (extralimital) currently monotypic Melanospiza and recognize newly named Asemospiza for Tiaris obscurus and Tiaris fuliginosus. . PASSED (7 July 2018)

730.05. Recognize new genus Islerothraupis for Tachyphonus cristatus, T. luctuosus, and T. rufiventer. PASSED (7 July 2018)

730.12. Resurrect Poospizopsis Berlepsch for Poospiza caesar and P. hypochondria. PASSED (7 July 2018)

730.20. Recognize newly named Poecilostreptus for Tangara palmeri (and extralimital T. cabanisi); resurrect Chalcothraupis for Tangara ruficervix; and recognize newly named Stilpnia for Tangara cyanoptera, T. larvata, T. nigrocincta, T. cyanicollis, T. preciosa, T. peruviana, T, meyerdeschauenseei, T. vitriolina, T. cucullata, T. cayana, T. viridicollis, T, phillipsi, T. argyrofenges, and T. heinei. PASSED (7 July 2018)

730.02. Resurrect Corydospiza for Phrygilus alaudinus and Phrygilus carbonarius. DID NOT PASS (thus forcing their inclusion in Porphyrospiza)

730.06. Recognize new monotypic genus Maschalethraupis for Tachyphonus surinamus and recognize new monotypic genus Chrysocorypha for Tachyphonus delatrii. DID NOT PASS

730.16. Recognize newly named genus Ephippiospingus for Phrygilus dorsalis and P. erythronotus and recognize newly named genus Chionodacryon for Diuca speculifera. DID NOT PASS (thus forcing their inclusion in Idiopsar)

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Finally! It took more than a year and a half. Probably the lengthiest and most ambitious proposal yet though! Three subproposals still pending. I find it a bit premature rejecting 02 while pending 01 – if 01 is also rejected, they’ll be forced into Rhopospina, not Porphyrospiza. Or does the way 02 is written that it implies 01 passes? And concerning 06, Remsen doesn’t offer an alternative if it’s rejected. Would that be merging into Lanio? Left in Tachyphonus surely is not an option.

Trichothraupis melanops

Natalia Trujillo-Arias, Luciano Calderón, Fabricio R. Santos, Cristina Y. Miyaki, Alexandre Aleixo, Christopher C. Witt, Pablo L. Tubaro & Gustavo S. Cabanne. Forest corridors between the central Andes and the southern Atlantic Forest enabled dispersal and peripatric diversification without niche divergence in a passerine. Molecular Phylogenetics and Evolution. In Press, Accepted Manuscript, Available online 6 August 2018.

Abstract:

The central Andean rainforests and the Atlantic Forest are separated by the Chaco and the Cerrado domains. Despite this isolation, diverse evidence suggests that these rainforests have been connected in the past. However, little is known about the timing and geographic positions of these connections, as well as their effects on diversification of species. In this study, we used the Black-Goggled Tanager (Trichothraupis melanops, Thraupidae) as a model to evaluate whether the Andean and the Atlantic forests have acted as a refugia system, and to evaluate biogeographic hypotheses of diversification and connection between these rainforests. We compared alternative biogeographic scenarios by using Approximate Bayesian Computation (ABC), modeled range shifts across time, and assessed niche divergence between regions. The results indicated that the major phylogeographic gap within T. melanops is located between these rainforests, and the ABC analysis supported peripatric diversification, with initial dispersal from the Atlantic Forest to the Andes during the Mid-Pleistocene. Also, the results supported an Andean-Atlantic forests connection through the current Cerrado-Chaco transition, linking the southern Atlantic Forest with the central Andes. Our findings taken together with other studies, support that the connection between these biomes has been recurrent, and that has occurred mostly through the Cerrado and/or the Cerrado-Chaco transition. The data also support that the connection dynamic has played an important role in the biological diversification, by promoting peripatric divergence in some forest taxa restricted to both biomes.

Peter Kovalik said:

Proposal (730) to SACC

Revise generic limits in the Thraupidae

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730.01. Resurrect Rhopospina for Phrygilus fruticeti (Remsen) DID NOT PASS

730.18. Recognize a monotypic Tephrophilus for Buthraupis wetmorei; recognize monotypic Sporathraupis Ridgway 1898 for Thraupis cyanocephala; and continue to recognize Anisognathus as monophyletic despite lack of support PASSED (5 March 2018)

Neothraupis fasciata

Cássia Alves Lima‐Rezende Renata Oliveira de Souza Renato Caparroz. The spatial genetic structure of the White‐banded Tanager (Aves, Passeriformes) in fragmented Neotropical savannas suggests two evolutionarily significant units. Biotropica, Volume 51, Issue 2, Pages: 234-244. https://doi.org/10.1111/btp.12623

Abstract:

Understanding the genetic structure of a species is crucial for evolutionary biology research and species conservation. The objectives of this study were to investigate the genetic structure of Neothraupis fasciata in Brazilian savannas and to assess genetic differentiation of its disjunct population in the Amazonian savannas of the state of Amapá. Population genetic structure was assessed in relation to isolation by distance and landscape variables connected with habitat heterogeneity. The influences of factors, such as habitat fragmentation and core–periphery distribution, on genetic diversity were also examined. Data were derived from a set of microsatellite loci of adult individuals from nine localities: eight distributed across the Cerrado and one in the disjunct Amazonian savanna of Amapá. Analysis revealed moderate genetic diversity and moderate population genetic structure, with at least two genetic clusters, one of which is represented exclusively by the disjunct Amapá population. The genetic structure found is not the result of significant influences by geographical distance, habitat heterogeneity, or the core–periphery effect, nor by intense biome fragmentation due to anthropic action. The disjunct Amapá population exhibited a moderate level of genetic differentiation compared to the Cerrado population, suggesting that both can be considered distinct evolutionarily significant units for conservation purposes.

Cássia Alves Lima-Rezende , Amanda Vaz Rocha, Antônio Felipe Couto Júnior, Éder de Souza Martins, Vinicius Vasconcelos & Renato Caparroz, 2019

Late Pleistocene climatic changes promoted demographic expansion and population reconnection of a Neotropical savanna-adapted bird, Neothraupis fasciata (Aves: Thraupidae).

PLoS ONE 14(3): e0212876.

Absract:

We performed phylogeographic and genetic structure analyses of Neothraupis fasciata joined with species distribution modelling to evaluate whether: (1) the distribution of genetic variability shows a pattern expected by the isolation-by-distance model; (2) the influence of the Pleistocene climate changes on species distribution; and (3) climate/climatic stability (hypothesis of climatic stability) as a predictor of population genetic diversity. Based on two molecular datasets (ND2 and FIB-5), the isolation-by-distance hypothesis was not supported. The mitochondrial haplotype network indicated the existence of historically isolated populations at the southern range of the species distribution, and recent population expansion was identified by both neutrality tests and extended Bayesian skyline plot analysis. Thus, the climatic changes during the Pleistocene might have promoted the reconnection of the partially isolated southern populations, which may have persisted in the plateaus during the cycles of savanna contractions. Subsequently, this species (re)colonized northern areas of the species present distribution, following the continuous vegetation on the São Francisco and Central plateaus about 60 kyr, and also reached the Amazonian savannas likely via the central corridor. Thus, our results indicated that the intrinsic relationship between the relief heterogeneity (plateaus and depressions) and the climatic fluctuations, mainly in the Pleistocene, promoted population reconnection and demographic expansion of N. fasciata.

Free pdf: https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0212876&type=printable

Enjoy,

Fred

Two overlooked generic synonyms in the Thraupidae (Aves: Passeriformes)

VÍTOR Q. PIACENTINI, PHILIP UNITT, KEVIN J. BURNS

Abstract

In a revision of the generic classification of the tanagers, Burns et al. (2016) proposed the name Islerothraupis with type species Tanagra cristata Linnaeus, 1766 (long known as Tachyphonus cristatus); however, they overlooked a previous designation of that species as the type of a genus. In 1821, Feliks Pawel Jarocki, in the second volume of Zoologiia czyli Zwiérzętopismo Ogólne podług Naynowszego Systematu ułożone (“Zoology, or general natural history account according to the newest arranged system”), page 133, specified Tanagra cristata as the type of a proposed subgenus Loriotus. The original text in Polish is available at the website www.rcin.org.pl, the Digital Repository of Scientific Institutes, which has made a wide diversity of scholarship in Polish available over the Internet. The original description of Loriotus, in parallel with other names Jarocki introduced in his Zoologiia, is minimal: “Dziób ostro kończysty, cokolwiek zgięty. Żuchwy sczęki spodniey przy nasadzie bardzo mało zgrubiałe.” (Bill ending in a point, somewhat curved. Lower mandible slightly thickened at base.)

https://www.mapress.com/j/zt/article/view/zootaxa.4608.3.13

Loriotus , senior synonym of Islerothraupis
Rauenia , senior synonym of Remsenornis

Peter Kovalik said:

Proposal (730) to SACC

Revise generic limits in the Thraupidae

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730.17. Resurrect Geospizopsis for Phrygilus unicolor and P. plebejus. PASSED (20 May 2019)

Islerothraupis/Loriotus

LeNomenclatoriste said:

Two overlooked generic synonyms in the Thraupidae (Aves: Passeriformes)

VÍTOR Q. PIACENTINI, PHILIP UNITT, KEVIN J. BURNS

Abstract

In a revision of the generic classification of the tanagers, Burns et al. (2016) proposed the name Islerothraupis with type species Tanagra cristata Linnaeus, 1766 (long known as Tachyphonus cristatus); however, they overlooked a previous designation of that species as the type of a genus. In 1821, Feliks Pawel Jarocki, in the second volume of Zoologiia czyli Zwiérzętopismo Ogólne podług Naynowszego Systematu ułożone (“Zoology, or general natural history account according to the newest arranged system”), page 133, specified Tanagra cristata as the type of a proposed subgenus Loriotus. The original text in Polish is available at the website www.rcin.org.pl, the Digital Repository of Scientific Institutes, which has made a wide diversity of scholarship in Polish available over the Internet. The original description of Loriotus, in parallel with other names Jarocki introduced in his Zoologiia, is minimal: “Dziób ostro kończysty, cokolwiek zgięty. Żuchwy sczęki spodniey przy nasadzie bardzo mało zgrubiałe.” (Bill ending in a point, somewhat curved. Lower mandible slightly thickened at base.)

https://www.mapress.com/j/zt/article/view/zootaxa.4608.3.13

Loriotus , senior synonym of Islerothraupis
Rauenia , senior synonym of Remsenornis

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Proposal (836) to SACC

Replace the genus name Islerothraupis with its senior synonym Loriotus

LeNomenclatoriste said:

Rauenia

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There must be a copy of his work somewhere on this planet?!?!!!??

LeNomenclatoriste said:

There must be a copy of his work somewhere on this planet?!?!!!??

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Mark has a (paper) copy of the entire work.
Wolters used the name in his list, with Rauenia bonariensis as single included taxonomic species, and a generic diagnosis and type designation given in a footnote. The relevant text is quoted in extenso in James' HBW Key to Scientific names in ornithology https://www.hbw.com/dictionary/definition/rauenia
You should have a pdf including that page (shared by Björn last year) in your mailbox now.

Mark is the best


Yes I saw your mail

LeNomenclatoriste said:

Mark is the best


Yes I saw your mail

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If "Mark", or Laurent, "is the best" is matter of judgement, a question of interpretation ... though, in this case I would think Laurent.

/B

If Rauenia, Melizocincla, Phoenicuropsis, Neodendroica are available names, isn't this the case for Paranopiza, Episkuniospingus and Exospingus?