Results 101 to 110 of about 2,503 (228)

Relaciones competitivas entre Proechimys Semispinosus y Hoplomys Gymnurus (Rodentia: Echimyidae) en el occidente colombiano

open access: yesCaldasia, 1993
Comparative data about movements, density, home range, and reproductive activity of Proechimys semispinosus and Hoplomys gymnurus (Rodentia: Echimyidae) were obtained by means of an eight-month capture-recapture study in the Bajo Calima region of the ...
Alberico Michael, González M. Alonso
doaj  

Genomic variation in a widespread Neotropical bird (Xenops minutus) reveals divergence, population expansion, and gene flow [PDF]

open access: yes, 2014
Elucidating the demographic and phylogeographic histories of species provides insight into the processes responsible for generating biological diversity, and genomic datasets are now permitting the estimation of histories and demographic parameters with ...
Brumfield, Robb T., Harvey, Michael G.
core   +3 more sources

Mamiferos da Fazenda Nhumirim, sub-região de Nhecolándia, Pantanal do Mato Grosso do Sul : I - levantamento preliminar de espécies [PDF]

open access: yes, 1987
Trabalho conduzido na Fazenda Nhumirim, Centro de Pesquisa Agropecuária do Pantanal, EMBRAPA, com auxílio da OEA - Organização dos Estados Americanos, através do CNPq, fornecido ao Dr. Cleber J.R.
Alho, Cleber José Rodrigues   +3 more
core   +1 more source

Phylogenetic, Allometric, and Ecological Factors Affecting Morphological Variation in the Scapula and Humerus of Spiny Rats (Rodentia: Echimyidae) [PDF]

open access: hybrid, 2022
Jeiel Gabrir Carvalhaes   +3 more
openalex   +1 more source

Expanding the knowledge about Leishmania species in wild mammals and dogs in the Brazilian savannah [PDF]

open access: yes, 2015
Background: Wild, synanthropic and domestic mammals act as hosts and/or reservoirs of several Leishmania spp. Studies on possible reservoirs of Leishmania in different areas are fundamental to understand host-parasite interactions and develop strategies ...
AG Schijman   +57 more
core   +2 more sources

Vertebrados del mioceno de la provincia de Entre Ríos, Argentina [PDF]

open access: yes, 2000
La diversa fauna de antiguos vertebrados que se registra en los acantilados que bordean la margen oriental del río Paraná cerca de la ciudad de Paraná, provincia de Entre Ríos, Argentina se conoce científicamente desde la primera mitad del siglo XIX.
Azpelicueta, María de las Mercedes   +14 more
core  

Evolution of sexual dimorphism of wing shape in the Drosophila melanogaster subgroup [PDF]

open access: yes, 2009
Background: Sexual dimorphism of body size has been the subject of numerous studies, but few have examined sexual shape dimorphism (SShD) and its evolution.
Baylac, M.   +2 more
core   +4 more sources

Inactivation of thermogenic UCP1 as a historical contingency in multiple placental mammal clades [PDF]

open access: yes, 2017
Mitochondrial uncoupling protein 1 (UCP1) is essential for nonshivering thermogenesis in brown adipose tissue and is widely accepted to have played a key thermoregulatory role in small-bodied and neonatal placental mammals that enabled the exploitation ...
Alexander   +52 more
core   +1 more source

Хромосомы и видообразование у туко-туко (Ctenomys, Hystricognathi, Rodentia) [PDF]

open access: yes, 2016
Tuco-tucos, South American rodents of the genus Ctenomys represent an interesting model of speciation. Their strict territorial and solitary life under the earth, vast but highly fragmented habitats, low migration activity were the causes of their very ...
Borodin, Pavel M.   +4 more
core   +2 more sources

Middle Miocene vertebrates from the Amazonian Madre de Dios Subandean Zone, Perú [PDF]

open access: yes, 2013
A new middle Miocene vertebrate fauna from Peruvian Amazonia is described. It yields the marsupials Sipalocyon sp. (Hathliacynidae) and Marmosa (Micoureus) cf.
Altamirano, Ali   +9 more
core   +4 more sources

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