Peter Kovalik
Well-known member
PASSED (6 February 2018) Not yet implemented pending proposal on English names.
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Cardinalidae (1 Viewer)
- Thread starter Peter Kovalik
- Start date
PASSED (6 February 2018) Not yet implemented pending proposal on English names.
Peter Boesman
Well-known member
Some additional work will be required to clarify the situation along the eastern foothills of the Eastern Andes in Colombia. Do both species occur there? In the meantime, quite an ID challenge for any birder...
Peter Kovalik
Well-known member
Cyanoloxia rothschildii
Proposal (789) to SACC
Establish an English name for Cyanoloxia rothschildii
Proposal (789) to SACC
Establish an English name for Cyanoloxia rothschildii
Jim LeNomenclatoriste
Je suis un mignon petit Traquet rubicole
TiF Update May 20
Cardinalidae: Another IOC/Ridgely and Greenfield (2001) split is Olive Tanager, Habia frenata, from Carmiol's Tanager, Habia carmioli.
[Cardinalidae, Core Passeroidea V, 3.05]
Cardinalidae: Another IOC/Ridgely and Greenfield (2001) split is Olive Tanager, Habia frenata, from Carmiol's Tanager, Habia carmioli.
[Cardinalidae, Core Passeroidea V, 3.05]
Peter Kovalik
Well-known member
Peter Kovalik
Well-known member
genus Piranga
Luke C. Campillo, Kevin J. Burns, Robert G. Moyle & Joseph D. Manthey (2019) Mitochondrial genomes of the bird genus Piranga: rates of sequence evolution, and discordance between mitochondrial and nuclear markers, Mitochondrial DNA Part B, 4:2, 2566-2569, DOI: 10.1080/23802359.2019.1637286
[pdf]
Luke C. Campillo, Kevin J. Burns, Robert G. Moyle & Joseph D. Manthey (2019) Mitochondrial genomes of the bird genus Piranga: rates of sequence evolution, and discordance between mitochondrial and nuclear markers, Mitochondrial DNA Part B, 4:2, 2566-2569, DOI: 10.1080/23802359.2019.1637286
[pdf]
thyoloalethe
Well-known member
Northern Cardinal
Kaiya L. Provost, William M. Mauck III, Brian Tilston Smith (2018). Genomic divergence in allopatric Northern Cardinals of the North American warm deserts is linked to behavioural differentiation. Ecology and Evolution 8:12456-12478.
[pdf]
Also this:
Is the Northern Cardinal One Species, Or Many?
Kaiya L. Provost, William M. Mauck III, Brian Tilston Smith (2018). Genomic divergence in allopatric Northern Cardinals of the North American warm deserts is linked to behavioural differentiation. Ecology and Evolution 8:12456-12478.
[pdf]
Also this:
Is the Northern Cardinal One Species, Or Many?
Peter Kovalik
Well-known member
Peter Kovalik
Well-known member
Peter Kovalik
Well-known member
Jim LeNomenclatoriste
Je suis un mignon petit Traquet rubicole
No abstract available
albertonykus
Well-known member
Toews, D.P.L., T.A. Rhinehart, R. Mulvihill, S. Galen, S.M. Gosser, T. Johnson, J.L. Williamson, A.W. Wood, and S.C. Latta (2022)
Genetic confirmation of a hybrid between two highly divergent cardinalid species: a rose-breasted grosbeak (Pheucticus ludovicianus) and a scarlet tanager (Piranga olivacea)
Ecology and Evolution 12: e9152
doi: 10.1002/ece3.9152
Using low-coverage whole-genome sequencing, analysis of vocalizations, and inferences from natural history, we document a first-generation hybrid between a rose-breasted grosbeak (Pheucticus ludovicianus) and a scarlet tanager (Piranga olivacea). These two species occur sympatrically throughout much of eastern North America, although were not previously known to interbreed. Following the field identification of a putative hybrid, we use genetic and bioacoustic data to show that a rose-breasted grosbeak was the maternal parent and a scarlet tanager was the paternal parent of the hybrid, whose song was similar to the latter species. These two species diverged >10 million years ago, and thus it is surprising to find a hybrid formed under natural conditions in the wild. Notably, the hybrid has an exceptionally heterozygous genome, with a conservative estimate of a heterozygous base every 100 bp. The observation that this hybrid of such highly divergent parental taxa has survived until adulthood serves as another example of the capacity for hybrid birds to survive with an exceptionally divergent genomic composition.
Genetic confirmation of a hybrid between two highly divergent cardinalid species: a rose-breasted grosbeak (Pheucticus ludovicianus) and a scarlet tanager (Piranga olivacea)
Ecology and Evolution 12: e9152
doi: 10.1002/ece3.9152
Using low-coverage whole-genome sequencing, analysis of vocalizations, and inferences from natural history, we document a first-generation hybrid between a rose-breasted grosbeak (Pheucticus ludovicianus) and a scarlet tanager (Piranga olivacea). These two species occur sympatrically throughout much of eastern North America, although were not previously known to interbreed. Following the field identification of a putative hybrid, we use genetic and bioacoustic data to show that a rose-breasted grosbeak was the maternal parent and a scarlet tanager was the paternal parent of the hybrid, whose song was similar to the latter species. These two species diverged >10 million years ago, and thus it is surprising to find a hybrid formed under natural conditions in the wild. Notably, the hybrid has an exceptionally heterozygous genome, with a conservative estimate of a heterozygous base every 100 bp. The observation that this hybrid of such highly divergent parental taxa has survived until adulthood serves as another example of the capacity for hybrid birds to survive with an exceptionally divergent genomic composition.
Jim LeNomenclatoriste
Je suis un mignon petit Traquet rubicole
Abstract
The Amaurospiza “seedeaters” are bamboo-specialised mixed strategists, most often found in bamboos in vegetative state, feeding on buds, shoots, petioles, and insects. As bamboos die after flowering, birds may wander in search of live vegetative bamboo. The three currently recognized species of Amaurospiza are allopatrically distributed: the Blackish-blue Seedeater A. moesta in the Atlantic Forest of Argentina, Brazil and Paraguay, and in forest enclaves in the Cerrado; the recently described Carrizal Seedeater A. carrizalensis known from a few localities in southeastern Venezuela; and the Blue Seedeater A. concolor distributed patchily from Mexico to Peru. Three subspecies are recognized within A. concolor: relicta in southwest Mexico, concolor from southern Mexico to Panama, and aequatorialis from southwest Colombia to northwest Peru. Full species status has been advocated for relicta and aequatorialis but evidence supporting their recognition is weak, whilst relicta was described in the monospecific genus Amaurospizopsis. Here we 1) test the monophyly of Amaurospiza, 2) reconstruct the phylogenetic relationships of all its constituent taxa using mitochondrial and nuclear markers, 3) re-assess species limits in Amaurospiza with the aid of vocalizations, genetic and plumage data, and 4) discuss the link between bamboo-life history, biogeographic patterns and extent of genetic differentiation. Amaurospiza was found to be monophyletic in both the ND2 and multilocus analyses. In the ND2 tree A. moesta and A. carrizalensis were sister to each other, A. concolor was found to be paraphyletic because aequatorialis was placed as sister to the moesta-carrizalensis, and a clade including nominate concolor and relicta was sister to all the other taxa. The multilocus tree showed the same relationships, but lacked nuclear samples of relicta. Mean ND2 pairwise distance between concolor and aequatorialis (8.3%) was greater than that between moesta and carrizalensis (5.7%), while relicta diverged on average 1.0% from nominate concolor. The South American clade has more slender bills and white underwing coverts, while the Central American clade has thicker bills and bluish underwing coverts. All taxa exhibited typical Amaurospiza songs with quickly delivered, warbled, pure and fairly high-pitched musical notes. Number of inflections/second exhibited a stepped pattern, with concolor and relicta on the lower end and carrizalensis, aequatorialis, and moesta on the upper end. Similarly, moesta, carrizalensis, and aequatorialis had overall more inflections per note than concolor and relicta. The linear discriminant analysis (LDA) using nine acoustic variables correctly assigned all 62 songs to the correct taxon. Morphology, plumage, vocalizations, and phylogenetic data, indicate that aequatorialis should be afforded full species status as Ecuadorian Seedeater (A. aequatorialis), suggest keeping relicta as a subspecies of A. concolor, and support continued recognition of A. carrizalensis. Our data support merging Amaurospizopsis into Amaurospiza
pbjosh
missing the neotropics
I'm a touch surprised by how close relicta is to concolor, but nice to see this clade being well investigated, and the the split of aequatorialis has been a long time coming. Hopefully it will be put into place shortly by WGAC or SACC, however that will work out going forward.
It will be certainly interesting to see, especially since in the last eBird/Clements update, BLI's taxonomy played in more than ever before. BLI recently recognized relicta as a species of its own while lumping everything else into concolor. Don't know they base that on.
Jim LeNomenclatoriste
Je suis un mignon petit Traquet rubicole
Can someone try to download the article?
Peter Kovalik
Well-known member
DID NOT PASS
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