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Neotropical forest expansion during the last glacial period challenges refuge hypothesis
It is shown that the Atlantic Forest of eastern South America probably expanded, rather than contracted, during the last glacial period, and the role of the emerged Brazilian continental shelf played a major, yet neglected, role on the evolution of this biodiversity hotspot During glacial periods.
Small mammals in the diet of barn owls, Tyto alba (Aves: Strigiformes) along the mid-Araguaia river in central Brazil
Owls from the riverbanks at Fazenda Santa Fe had a more diverse diet, preying mainly on rodents that typically inhabit riparian grasslands and forests - Hylaeamys megacephalus and Oecomys spp.
The Araguaia River as an Important Biogeographical Divide for Didelphid Marsupials in Central Brazil.
It is hypothesized that the role of the Araguaia as a riverine barrier is linked to the level of ecological specialization among the 6 didelphid species and differences in their ability to cross rivers or disperse through the associated habitat types.
Small mammals of the mid-Araguaia River in central Brazil, with the description of a new species of climbing rat
A new species of Rhipidomys is described previously assigned to R. nitela, which is apparently endemic to the AraguaiaTocantins basin in the Cerrado.
DNA from owl pellet bones uncovers hidden biodiversity
Bone samples recovered from Barn owl pellets in the Neotropics represent a viable source of modern DNA and the use of molecular analysis as a complement to morphological analysis of pellet bones is very effective in species identification, especially considering poorly known and elusive species.
Critical steps to ensure the successful reintroduction of the Eurasian red squirrel
El objetivo de las estrategias de reintroduccion de fauna silvestre es establecer poblaciones viables a largo plazo, fomentar la concienciacion con respecto a la conservacion y aportar beneficios economicos para las comunidades locales.
Pipe refuge occupancy by herpetofauna in the Amazonia/Cerrado ecotone
We evaluated the usefulness of arboreal pipe refuges for studying Neotropical herpetofauna, by quantifying the effects of microhabitat variables and pipe colouration on pipe occupancy rates. We used
Demographic expansion of an African opportunistic carnivore during the Neolithic revolution
Consistent evidence is found supporting the hypothesis that the African wolf population experienced a meaningful expansion concurring with a period of rapid population expansion of domesticates linked to the advent of agricultural practices.