puma creeper

Our objectives were to refine the phylogeographic puma creeper assessment within South America and to investigate the demographic history of pumas using a coalescent approach. Our results extend previous phylogeographic findings, reassessing the delimitation of historical population units in South America and demonstrating that this species experienced a considerable demographic expansion in the Holocene, ca. 8,000 years ago. Our analyses indicate that this expansion occurred in South America.

Prior to the hypothesized re-colonization of North America, which was therefore inferred to be even more recent. The estimated demographic history supports the interpretation that pumas suffered a severe demographic decline in the Late Pleistocene throughout their distribution, followed by population expansion and re-colonization of rihanna fenty puma the range, initiating from South America.The puma ( Puma concolor Linnaeus, 1771) is a large felid that ranges throughout the Americas.

Females tend to occupy smaller areas and disperse shorter distances, thus being more philopatric than males rihanna puma shoes ( Logan and Sweanor, 2001 ; Maehr et al. , 2002 ). Overall, the species' ecological flexibility and dispersal capabilities have the potential to induce broad genetic connectivity across large geographic areas, unless historical barriers have limited gene flow among populations.Fossil evidence indicates that pumas were already present in North America 0.4 million years ago (MYA) ( Kurtén and Anderson, 1980 ).

However, since the credibility interval of this estimate slightly overlaps the puma by rihanna creeper timing of the GABI, this issue is still not fully settled. Interestingly, Barnett et al. (2005) provided molecular evidence indicating that the extinct North American felid Miracinonyx trumani is the puma's closest relative, with a divergence time estimated at 3.19 MYA. This finding would support the hypothesis of a North American origin for the puma, with subsequent colonization of South America by this species.

Culver et al. , 2000 ; Castilho et al. , 2011 ; Miotto et al. , 2011 , 2012 ). Therefore, as a whole we collected novel data from a total of 186 individuals. These samples were originated from a diverse array of geographic regions throughout most of the puma range, with greater emphasis on fenty puma creepers South America (see Table S1 ). Two samples of Puma yagouaroundi were also included to be used as outgroups in some analyses.To select a marker that would provide suitable information levels.

Sequence electropherograms were visually inspected and edited using Chromas Lite 2.01 or FinchTV 1.4.0. Sequences were aligned with the CLUSTALW algorithm ( Higgings et al. , 1996 ) implemented in MEGA 4 ( Tamura et al. , 2007 )To investigate the evolutionary relationships among puma mtDNA lineages, haplotype networks were built using the median-joining approach ( Bandelt et al. ,

1999 ), as implemented in the software Network 4.5.1.6.