Articles | Volume 6, issue 1
https://doi.org/10.5194/pb-6-7-2019
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the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/pb-6-7-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Is Colobus guereza gallarum a valid endemic Ethiopian taxon?
Cognitive Ethology Laboratory, German Primate Center (DPZ), Leibniz
Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
Dereje Tesfaye
Centre for Ecological and Evolutionary Synthesis (CEES), Department of
Biosciences, University of Oslo, P.O. Box 1066 Blindern, 0316 Oslo, Norway
Nils C. Stenseth
Centre for Ecological and Evolutionary Synthesis (CEES), Department of
Biosciences, University of Oslo, P.O. Box 1066 Blindern, 0316 Oslo, Norway
Department of Zoological Sciences, Addis Ababa University, P.O. Box
1176, Addis Ababa, Ethiopia
Afework Bekele
Department of Zoological Sciences, Addis Ababa University, P.O. Box
1176, Addis Ababa, Ethiopia
Aemro Mekonnen
Department of Zoological Sciences, Addis Ababa University, P.O. Box
1176, Addis Ababa, Ethiopia
Steve Doeschner
Gruenstifter, Proskauer Str. 24, 10247 Berlin, Germany
Anagaw Atickem
Cognitive Ethology Laboratory, German Primate Center (DPZ), Leibniz
Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
Department of Zoological Sciences, Addis Ababa University, P.O. Box
1176, Addis Ababa, Ethiopia
Primate Genetics Laboratory, German Primate Center (DPZ), Leibniz
Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
Christian Roos
Primate Genetics Laboratory, German Primate Center (DPZ), Leibniz
Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
Gene Bank of Primates, German Primate Center (DPZ), Leibniz Institute
for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
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The Djaffa Mountains guereza (Colobus guereza gallarum) is an endemic Ethiopian taxon. Information about its distribution and population size is missing. We collected data on population density and size in four forests in the Ahmar Mountains in a line-transect survey and estimated 109.6 individuals per square kilometer within the study area. This comparatively high density is thus not the main conservation concern, but the fragmentation of the guereza habitat and population is.
Christian Kiffner, John Kioko, Thomas M. Butynski, Yvonne A. de Jong, and Dietmar Zinner
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From November 2011 through to November 2019, we carried out seasonal road transect surveys and estimated population densities of Manyara monkeys and vervet monkeys in Lake Manyara National Park. Both species occurred at relatively high densities, and their population trends remained fairly stable over the study period. Our research highlights the value of long-term monitoring and the importance of Lake Manyara National Park as a stronghold for the endemic and endangered Manyara monkey.
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The Manyara monkey was described as a new subspecies of the Cercopithecus mitis species complex in 2020. We sequenced a part of its mitochondrial genome and reconstructed the phylogeny of the mitochondrial lineages. The reconstruction suggests that the Manyara monkey clusters in the youngest of three major C. mitis clades. Our data support the phylogeographic hypothesis of a west-east range expansion of gentle monkeys into eastern and southern Africa.
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Baboons occur in a large range of different habitats. However, data on the ecology of Guinea baboons were scarce. We provide information on the ranging behaviour, habitat use, and diet of a population of Guinea baboons in the Niokolo-Koba National Park, Senegal. Home ranges were about 25 km2, and they moved up to 13 km per day. They seem to prefer the more forested parts of their home range near the river. Fruit dominates their diet, and the nuts of the palmyra palm are a year-round food source.
Holger Sennhenn-Reulen, Langhalima Diedhiou, Matthias Klapproth, and Dietmar Zinner
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Filipa M. D. Paciência, Deusdedith Baluya, Pay Mbaryo, Sascha Knauf, and Dietmar Zinner
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Rodrigo Costa-Araújo, Gustavo Rodrigues Canale, Fabiano Rodrigues de Melo, Raimundo Rodrigues da Silva, Ivan Batista da Silva, Raony Macedo de Alencar, Luciano Ferreira da Silva, Leandro Jerusalinsky, Renata Bocorny de Azevedo, Eduardo Marques Santos Júnior, Italo Mourthé, Emil José Hernández Ruz, José de Sousa e Silva-Jr., Christian Roos, Izeni Pires Farias, and Tomas Hrbek
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The Djaffa Mountains guereza (Colobus guereza gallarum) is an endemic Ethiopian taxon. Information about its distribution and population size is missing. We collected data on population density and size in four forests in the Ahmar Mountains in a line-transect survey and estimated 109.6 individuals per square kilometer within the study area. This comparatively high density is thus not the main conservation concern, but the fragmentation of the guereza habitat and population is.
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The Amazon marmosets are poorly known and severely threatened – endemic to the arc of deforestation in southern Amazonia. Based on data from field expeditions across this global deforestation frontier, we provide new records and extend the range of Mico chrysoleucos, provide new records and refine the range of M. acariensis, report the first records of a species of Mico on permanently flooded forests, and hypothesize the existence of a hybrid zone of these two species and also M. melanurus.
Christian Kiffner, John Kioko, Thomas M. Butynski, Yvonne A. de Jong, and Dietmar Zinner
Primate Biol., 9, 33–43, https://doi.org/10.5194/pb-9-33-2022, https://doi.org/10.5194/pb-9-33-2022, 2022
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From November 2011 through to November 2019, we carried out seasonal road transect surveys and estimated population densities of Manyara monkeys and vervet monkeys in Lake Manyara National Park. Both species occurred at relatively high densities, and their population trends remained fairly stable over the study period. Our research highlights the value of long-term monitoring and the importance of Lake Manyara National Park as a stronghold for the endemic and endangered Manyara monkey.
Dietmar Zinner, Sascha Knauf, Idrissa S. Chuma, Thomas M. Butynski, Yvonne A. De Jong, Julius D. Keyyu, Rehema Kaitila, and Christian Roos
Primate Biol., 9, 11–18, https://doi.org/10.5194/pb-9-11-2022, https://doi.org/10.5194/pb-9-11-2022, 2022
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The Manyara monkey was described as a new subspecies of the Cercopithecus mitis species complex in 2020. We sequenced a part of its mitochondrial genome and reconstructed the phylogeny of the mitochondrial lineages. The reconstruction suggests that the Manyara monkey clusters in the youngest of three major C. mitis clades. Our data support the phylogeographic hypothesis of a west-east range expansion of gentle monkeys into eastern and southern Africa.
Dietmar Zinner, Matthias Klapproth, Andrea Schell, Lisa Ohrndorf, Desalegn Chala, Jörg U. Ganzhorn, and Julia Fischer
Primate Biol., 8, 19–35, https://doi.org/10.5194/pb-8-19-2021, https://doi.org/10.5194/pb-8-19-2021, 2021
Short summary
Short summary
Baboons occur in a large range of different habitats. However, data on the ecology of Guinea baboons were scarce. We provide information on the ranging behaviour, habitat use, and diet of a population of Guinea baboons in the Niokolo-Koba National Park, Senegal. Home ranges were about 25 km2, and they moved up to 13 km per day. They seem to prefer the more forested parts of their home range near the river. Fruit dominates their diet, and the nuts of the palmyra palm are a year-round food source.
Holger Sennhenn-Reulen, Langhalima Diedhiou, Matthias Klapproth, and Dietmar Zinner
Primate Biol., 4, 143–151, https://doi.org/10.5194/pb-4-143-2017, https://doi.org/10.5194/pb-4-143-2017, 2017
Filipa M. D. Paciência, Deusdedith Baluya, Pay Mbaryo, Sascha Knauf, and Dietmar Zinner
Primate Biol., 4, 101–106, https://doi.org/10.5194/pb-4-101-2017, https://doi.org/10.5194/pb-4-101-2017, 2017
Short summary
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Here we report two encounters between olive baboons (Papio anubis) and crowned eagles (Stephanoaetus coronatus), a potential predator, at Lake Manyara National Park, Tanzania. On both events, baboons gave alarm calls while infants got close to adults and juveniles ran to cover. Adult males approached the eagles and chased them away. The baboons’ reactions indeed support the assumption that crowned eagles pose a threat, at least for juvenile baboons.
T. Haus, K. Prinz, B. Pauling, and C. Roos
Primate Biol., 1, 1–9, https://doi.org/10.5194/pb-1-1-2014, https://doi.org/10.5194/pb-1-1-2014, 2014
Related subject area
Evolution, phylogeny and palaeontology
Mito-phylogenetic relationship of the new subspecies of gentle monkey Cercopithecus mitis manyaraensis, Butynski & De Jong, 2020
Do saki monkeys possess a grooming claw?
Dietmar Zinner, Sascha Knauf, Idrissa S. Chuma, Thomas M. Butynski, Yvonne A. De Jong, Julius D. Keyyu, Rehema Kaitila, and Christian Roos
Primate Biol., 9, 11–18, https://doi.org/10.5194/pb-9-11-2022, https://doi.org/10.5194/pb-9-11-2022, 2022
Short summary
Short summary
The Manyara monkey was described as a new subspecies of the Cercopithecus mitis species complex in 2020. We sequenced a part of its mitochondrial genome and reconstructed the phylogeny of the mitochondrial lineages. The reconstruction suggests that the Manyara monkey clusters in the youngest of three major C. mitis clades. Our data support the phylogeographic hypothesis of a west-east range expansion of gentle monkeys into eastern and southern Africa.
Constanze Ohlendorf and Eckhard W. Heymann
Primate Biol., 7, 19–23, https://doi.org/10.5194/pb-7-19-2020, https://doi.org/10.5194/pb-7-19-2020, 2020
Short summary
Short summary
In order to contribute to the discussion on the presence of a grooming claw in New World monkeys, we examined living animals, museum specimens and photos of saki monkeys, genus Pithecia. We found that some individuals may possess a grooming claw or at least a grooming claw-like nail on the second toe, while others do not.
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Short summary
Ethiopia is well-known for its high biodiversity and endemism. Among these endemics are two putative subspecies of the guereza: Colobus guereza guereza and C. g. gallarum. Our molecular study supports the two-subspecies hypothesis, making C. g. gallarum an Ethiopian endemic taxon. In combination with its very restricted range, C. g. gallarum is most likely one of the most endangered subspecies of black-and-white colobus.
Ethiopia is well-known for its high biodiversity and endemism. Among these endemics are two...