H. Ramírez-Chaves

Publications87
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Citations298
Highly Influential Citations10
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Records of leucism in three species of Colombian bats: Carollia brevicauda, Artibeus jamaicensis and Lophostoma silvicolum (Phyllostomidae)
Three new records of the rare phenomenon of leucism are presented in three Colombian bats: Carollia brevicauda, Artibeus jamaicensis and Lophostoma silvicolum. The specimen of C. brevicauda was…
Systematics of Vampyressa melissa Thomas, 1926 (Chiroptera: Phyllostomidae), with Descriptions of Two New Species of Vampyressa
TLDR
A restricted diagnosis for the genus Vampyressa, an emended diagnosis of V. melissa, and descriptions of the two previously unrecognized species related to V.Melissa revealing that V.melissa, as traditionally defined, is a composite of at least three species.
Mammalian development does not recapitulate suspected key transformations in the evolutionary detachment of the mammalian middle ear
TLDR
It is shown that neither allometric nor topological change is quantifiable in the pre-detachment ME development of six marsupials and two monotremes, and this challenges the developmental prerequisites of widely cited evolutionary scenarios of definitive mammalian middle ear (DMME) evolution.
Re-examining the hypothesis of allopatric distribution of Myoprocta acouchy and M. pratti (Mammalia: Dasyproctidae) in South America
TLDR
It is found that both reddish and greenish forms of Myoprocta are sympatric in the Amazon basin of the country, including areas adjoining Ecuador and Peru, and these records apparently refute the hypothesis of allopatry for these species in South America.
A new species of Long-eared Brown Bat of the genus Histiotus (Chiroptera) and the revalidation of Histiotus colombiae
TLDR
The potential hidden diversity within Histiotus in the Peruvian and Bolivian Andes, the need to resolve the evolutionary relationships of the genus, and its implications to the understanding of the processes that have structured the Andean mammal fauna are highlighted.
Emballonurid bats from Colombia: Annotated checklist, distribution, and biogeography
TLDR
Genetic data hypothetically place the origin of the most recent common ancestor of the subfamily Emballonurinae in Africa, suggesting a dispe...
THE DISTRIBUTION OF BATS OF GENUS LASIURUS (VESPERTILIONIDAE) IN COLOMBIA, WITH NOTES ON TAXONOMY, MORPHOLOGY AND ECOLOGY
TLDR
A morphological study of 49 specimens from four Colombian collections confirms the presence of three species in Colombia (L. blossevillii, L. cinereus, and L. ega) with distribution in all natural regions that include six of the nine biogeographic provinces.
Fifteen shades of green: The evolution of Bufotes toads revisited.
Richness and distribution of porcupines (Erethizontidae: Coendou) from Colombia
TLDR
The first record of Coendou ichillus from the Orinoco river basin of the country is introduced, extending the distribution of the species by more than 600 km to the north from previous known localities in Ecuador and Peru.
On the distribution of the Brazilian porcupine Coendou prehensilis (Erethizontidae) in Colombia
Abstract The Brazilian porcupine Coendou prehensilis is distributed from northwestern South America to northeastern Paraguay and northwestern Argentina. In Colombia, it is present mainly in the…
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