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  • 1
    Language: Norwegian
    In: Zinner, Dietmar Atickem, Anagaw Meshesha Beehner, Jacinta C. Bekele, Afework Bergman, Thore J. Burke, Ryan Dolotovskaya, Sofya Fashing, Peter Gippoliti, Spartaco Knauf, Sascha Knauf, Yvonne Mekonnen, Addisu Moges, Amera Nguyen, Nga Stenseth, Nils Christian...
    Description: The large-bodied, terrestrial primates in the tribe Papionini are among the most intensely studied animals in the world, yet for some members of this tribe we know comparatively little about their evolutionary history and phylogeography. Geladas (Theropithecus...
    Keywords: Mitochondrial Dna -- Research ; Biogeography -- Analysis ; Gelada -- Health Aspects ; Gelada -- Research ; Gelada -- Protection And Preservation ; Phylogeny -- Analysis;
    ISSN: 19326203
    E-ISSN: 19326203
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  • 2
    Language: English
    In: Zoological Journal of the Linnean Society, 04/27/2017
    Description: Complete mitochondrial (mtDNA) genomes have proved to be useful in reconstructing primate phylogenies with higher resolution and confidence compared to reconstructions based on partial mtDNA sequences. Here, we analyse complete mtDNA genomes of African green monkeys (genus Chlorocebus), a widely distributed primate genus in Africa representing an interesting phylogeographical model for the evolution of savannah species. Previous studies on partial mtDNA sequences revealed nine major clades, suggesting several cases of para- and polyphyly among Chlorocebus species. However, in these studies, phylogenetic relationships among several clades were not resolved, and divergence times were not estimated. We analysed complete mtDNA genomes for ten Chlorocebus samples representing major mtDNA clades to find stronger statistical support in the phylogenetic reconstruction than in the previous studies and to estimate divergence times. Our results confirmed para- and polyphyletic relationships of most Chlorocebus species, while the support for the phylogenetic relationships between the mtDNA clades increased compared to the previous studies. Our results indicate an initial west–east division in the northern part of the Chlorocebus range with subsequent divergence into north-eastern and southern clades. This phylogeographic scenario contrasts with that for another widespread African savannah primate genus, the baboons (Papio), for which a dispersal from southern Africa into East and West Africa was suggested.
    Keywords: Biology ; Zoology;
    ISSN: 0024-4082
    E-ISSN: 1096-3642
    Source: Oxford University Press (via CrossRef)
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  • 3
    Language: English
    In: Primate Biology, June 5, 2019, Vol.6(1), p.59
    Description: pDue to their inconspicuous behaviour and colouration, it has been assumed that titi monkeys' main anti-predator behaviour is passive crypsis and hiding. So far, active predator mobbing has been documented only for black-fronted titi monkeys, Callicebus nigrifrons. Here we report for the first time mobbing behaviour of red titi monkeys, Plecturocebus cupreus (previously Callicebus cupreus), as reaction to an ocelot (Leopardus pardalis) and a Boa constrictor. We also report other active anti-predator behaviours, such as alarm calling and approaching, as reactions to tayras (Eira barbara) and raptors. Our observations provide additional evidence for sex differences in anti-predator behaviour, possibly related to the evolution and maintenance of social monogamy.
    Keywords: Pitheciidae – Observations ; Alarm Responses (Animal Behavior) – Observations
    ISSN: 2363-4707
    E-ISSN: 23634715
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