Phylogenetics of the common raven complex (Corvus: Corvidae) and the utility of ND4, COI and intron 7 of the β‐fibrinogen gene in avian molecular systematics

@article{Feldman2005PhylogeneticsOT,
  title={Phylogenetics of the common raven complex (Corvus: Corvidae) and the utility of ND4, COI and intron 7 of the $\beta$‐fibrinogen gene in avian molecular systematics},
  author={Chris R. Feldman and Kevin E Omland},
  journal={Zoologica Scripta},
  year={2005},
  volume={34}
}
The common raven (Corvus corax) is one of the most widely distributed and recognizable avian species in the world. Recent molecular work, however, described two mitochondrial lineages of the common raven, termed the Holarctic clade and the California clade, and questioned the monophyly of this taxon by placing the Chihuahuan raven (C. cryptoleucus) sister to the California clade. We evaluated this phylogenetic hypothesis with additional sequence data and increased taxon sampling. We used ∼3.7… 
Sequencing of the complete mitochondrial genome of the common raven Corvus corax (Aves: Corvidae) confirms mitogenome-wide deep lineages and a paraphyletic relationship with the Chihuahuan raven C. cryptoleucus
TLDR
Phylogenies constructed from whole mitogenomes recovered the previously found mitochondrial sister relationship between the commonRaven California clade and the Chihuahuan raven, which strengthens the hypothesis that mtDNA paraphyly in the common raven results from speciation reversal of previously distinct Holarctic and California lineages.
DNA barcodes and insights into the phylogenetic relationships of Corvidae (Aves: Passeriformes)
TLDR
COI gene data provided good evidence for the monophyly of the Corvidae and analysis of COI genes supported the others genera fell into two clades.
Genetic divergences and intraspecific variation in corvids of the genus Corvus (Aves: Passeriformes: Corvidae) - a first survey based on museum specimens
TLDR
The distribution of plumage colour in the phylogenetic tree indicates that the pale markings evolved several times independently, and confirms earlier assumptions of a Palearctic origin of the genus Corvus with several independent colonizations of the Nearctic and the Aethiopis.
Canary Island Ravens Corvus corax tingitanus have distinct mtDNA
TLDR
The present study sought to elucidate further the phylogenetics of the ‘Holarctic clade’ by examining an additional C. corax race: C. tingitanus, restricted to the Canary Islands and Morocco and can be distinguished by its size and ‘oily’ plumage gloss.
Random interbreeding between cryptic lineages of the Common Raven: evidence for speciation in reverse
TLDR
It is argued that the mtDNA clades have remerged in this population, likely due to a lack of ecological or signal differentiation between individuals in each lineage, and phylogeographic structure in mtDNA is a reflection of likely past isolation rather than currently differentiated species.
Genetic signatures of intermediate divergence: population history of Old and New World Holarctic ravens (Corvus corax)
TLDR
This work develops a conceptual framework and terminology for thinking about the stages of ‘intermediate polyphyly’, and uses the Holarctic clade of common ravens, found throughout much of Eurasia and North America, as a case study of these stages of intermediate divergence.
Two sympatric lineages of the Raven Corvus corax jordansi coexist on the Eastern Canary Islands
TLDR
This work revisited the issues of ravens on the Canary Islands and collected additional samples from other Canarian Islands as well as from other populations in Northern Africa and Europe, finding that on at least one of these islands the Canarian and the Holarctic lineages coexist.
Phylogeographic patterns in widespread corvid birds.
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