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Invasión lila
(2023-06-21)
El autor relata su viaje a México a finales de marzo, describiendo la experiencia como maravillosa. Durante el viaje en avión, pudo apreciar la costa pacífica de Mesoamérica, destacando los volcanes y lagos de Nicaragua, ...
Geographic variation in aggressive signalling behaviour of the Jacky dragon
(2015)
Signal diversification is often the product of sexual and/or natural selection and may be accompanied by genetic differentiation or simply reflect a plastic response to social and environmental variables.We use an agamid ...
Effects of roost specialization on extinction risk in bats
Los Efectos de la Especializacion de Dormidero sobre el Riesgo de Extinción de Murciélagos
(2015)
Understanding causes and consequences of ecological specialization is of major concern in conservation. Specialist species are particularly vulnerable to human activities. If their food or habitats are depleted or lost, ...
Sound amplification by means of a horn-like roosting structure in Spix's disc-winged bat
(2013-10)
While sound is a signal modality widely used by many animals, it is very susceptible to attenuation, hampering effective long-distance communication. A strategy to minimize sound attenuation that has been historically used ...
Contact calling in context: intra- and intergroup variation in vocalization rates depend on a call’s function
(2020)
To maintain group cohesion while coordinating group movements, individuals might use signals to advertise the location of a route, their intention to initiate movements, or their position at a given time. In highly mobile ...
Descripción de experiencias para el mejoramiento de la enseñanza de las ciencias
El modelo integrador de la docencia, la investigación y la acción social
(1989-09-07)
El documento incluye dos trabajos. En el primero se exponen las acciones de educación no formal en la enseñanza de las ciencias que han beneficiado a docentes de niveles pre-universitarios del Sistema Educativo Nacional ...
Repeatability in the contact calling system of Spix's disc-winged bat (Thyroptera tricolor)
(2015-01)
Spix's disc-winged bat (Thyroptera tricolor) forms cohesive groups despite using an extremely ephemeral roost, partly due to the use of two acoustic signals that help individuals locate roost sites and group embers. While ...
Fungal communities in feces of the frugivorous bat Ectophylla alba and its highly specialized Ficus colubrinae diet
(2022)
Background: Bats are important long-distance dispersers of many tropical plants, yet, by consuming fruits, they may
disperse not only the plant’s seeds, but also the mycobiota within those fruits. We characterized the ...
Signal repertoire and contest outcome in the Jacky dragon
(2016)
Establishing dominance is an important mechanism for determining access to
resources such as mates or territories. However, levels of aggression and dominance
may vary among populations based on history and variation in ...
Kinship, association, and social complexity in bats
(2019-01)
Among mammals, bats exhibit extreme variation in sociality, with some species living largely solitary lives while others form colonies of more than a million individuals. Some tropical species form groups during the day ...