Results 41 to 50 of about 870 (158)

Postnatal development of subterranean habits in tuco-tucos Ctenomys talarum (Rodentia, Caviomorpha, Ctenomyidae) [PDF]

open access: yes, 2015
Postnatal development of subterranean habits was investigated in Los Talas’ tuco-tuco Ctenomys talarum, a subterranean caviomorph rodent endemic from South America.
Becerra, Federico   +3 more
core   +2 more sources

Ritmos de actividad locomotora y uso de las cuevas en condiciones seminaturales en Ctenomys talarum (Rodentia, Octodontidae) Rhythms of locomotor activity and burrow use under seminatural conditions in Ctenomys talarum (Rodentia, Octodontidae)

open access: yesRevista Chilena de Historia Natural, 2000
Ctenomys es un género de roedores subterráneos que vive en sistemas de galerías cerrados a la superficie del suelo y por lo tanto lleva a cabo la mayoría de sus actividades en ausencia de luz.
FACUNDO LUNA   +2 more
doaj  

An endemic Taenia from South America: validation of T. talicei Dollfus, 1960 (Cestoda: Taeniidae) with characterization of metacestodes and adults [PDF]

open access: yes, 2010
Taenia talicei is redescribed based on new data from polycephalic, fimbriocercus and cysticercus metacestodes found in Ctenomys spp. (Rodentia: Ctenomyidae) from Argentina. Strobilate adult specimens, derived from experimental infections in domestic dogs,
Hoberg, Eric P.   +2 more
core   +1 more source

Presencia del género Ctenomys (Rodentia, Ctenomyidae) en el noreste de la provincia de Buenos Aires, Argentina Presence of the genus Ctenomys (Rodentia, Ctenomyidae) in northeastern Buenos Aires province, Argentina

open access: yesRevista del Museo Argentino de Ciencias Naturales, 2010
La presente nota registra al género Ctenomys en la localidad de Lima, ubicada en el noreste de la provincia de Buenos Aires. Los restos aquí descriptos se encuentran a más de 150 km al norte de las citas previas más septentrionales dentro de la provincia,
Federico L. Agnolin   +3 more
doaj  

Parasite infection negatively affects PHA-triggered inflammation in the subterranean rodent Ctenomys talarum.

open access: yesJournal of experimental zoology. Part A, Ecological genetics and physiology, 2016
Magnitude and effectiveness of immune responses vary greatly between and within species. Among factors reported to determine this variation, parasitism is a critical one, although controversial effects of parasites over immunological indices have been reported.
Merlo, Julieta   +2 more
openaire   +3 more sources

Diet of the variable hawk (Geranoaetus polyosoma) in grasslands and periurban zones of the pampean region of Argentina [PDF]

open access: yes, 2014
Se estudió la dieta del Aguilucho Común (Geranoaetus polyosoma) durante el período no reproductivo en dos áreas contrastantes, un pastizal natural y una zona periurbana ubicadas en el sudeste de la Región Pampeana (Argentina), con el objetivo de evaluar ...
Baladron Felix, Alejandro Victor   +2 more
core  

Cognition in contests: mechanisms, ecology, and evolution [PDF]

open access: yes, 2017
Animal contests govern access to key resources and are a fundamental determinant of fitness within populations. Little is known about the mechanisms generating individual variation in strategic contest behavior or what this variation means for population
Quinn, John L., Reichert, Michael S.
core   +1 more source

Ontogeny of spatial working memory in the subterranean rodentctenomys talarum

open access: yesDevelopmental Psychobiology, 2010
AbstractWhile several works analyzed the spatial learning and memory capacities in adults of subterranean rodents, no study was done examining the development of these cognitive processes in pups of any of those species. Therefore, the development of spatial working memory in the South American subterranean rodentCtenomys talarumwas investigated by ...
openaire   +3 more sources

Vulberabilidad de los anfibios, reptiles y mamíferos de la reserva provincial Aø Zabala (Buenos Aires) : Contribución al plan de manejo [PDF]

open access: yes, 2012
Fil: Leber, Virginia. Fil: Kristensen, María Julia. Instituto de Geomorfología y Suelos (IGS). Facultad de Ciencias Naturales y Museo.
Kristensen, María Julia   +1 more
core  

Female reproductive behaviour, ovarian hormones and vaginal cytology of the induced ovulator, Ctenomys talarum [PDF]

open access: yes, 2011
In the present study, we evaluated whether reproductive condition affects female reproductive behaviour in the induced ovulator Ctenomys talarum. We also explored the effect of the interaction with a male on the reproductive condition of females.
Fanjul, Maria Sol, Zenuto, Roxana Rita
core   +1 more source

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