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INACTIVITY AT NIGHT: A CASE STUDY OF THE NOCTURNAL BEHAVIORS OF TWO CAPTIVE Panthera onca (FELIDAE) SPECIMENS
Inactividad en la noche: un estudio de caso de los comportamientos nocturnos de dos especímenes de Panthera onca (felidae) cautivos
INATIVIDADE À NOITE: UM ESTUDO DE CASO SOBRE OS COMPORTAMENTOS NOTURNOS DE DUAS Panthera onca (FELIDAE) cativas
DOI:
https://doi.org/10.15446/abc.v25n3.80892Keywords:
caged mammals, felid behavior, jaguars, zoo animals (en)animales de zoológico, comportamiento felino, jaguares, mamíferos enjaulados (es)
animais de zoológico, comportamento felino, mamíferos cativos, onça-pintada (pt)
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Inactivity is a common daytime behavior expressed by wild cats in zoos. It is not clear whether this inactivity is due to the constraints of the captive environment or is a result of a more natural behavior by these animals. Therefore, this work evaluated the behavior of two Panthera oncacaptive specimens, including their inactivity, during the evening/night period. The jaguars were filmed individually in different days, starting at 5:30 pm and finishing between 7:00 pm and 1:30 am, including non-feeding and feeding days. Regardless of whether they were fed or not, both jaguars expressed a significant rate of inactivity. In addition, when fed, one of the jaguars increased its movements and active behaviors, although its inactivity remained high, while the other jaguar further reduced the expression of such behaviors. Therefore, this work concludes that these jaguars were just as inactive during the evening/night period as they were during daytime. Excessive inactivity might be regarded as a negative behavior; with its highest expression being an effect of the captive environment, which might compromise the welfare of the assessed jaguars and possibly of other wild cats. In addition, since the behavioral expression varied between the studied jaguars, depending on the feeding or non-feeding status, we recommend that futures studies should taking into account the individual variations, especially when there are differences in age, health, and management conditions between the specimens.
La inactividad es un comportamiento común expresado por gatos salvajes en los zoológicos durante el día. No está claro si esta inactividad es un efecto de las restricciones del ambiente de cautiverio o si puede representar un comportamiento más natural en estos animales. Por lo tanto, el comportamiento de dos Panthera oncacautivos, incluida la inactividad, se evaluó durante los períodos de tarde / noche. Los jaguares fueron filmados individualmente en diferentes días a partir de las 5:30 pm y terminando entre las 7:00 pm y la 1:30 am, incluidos los días en que fueron alimentados y los días en que no lo fueron. Independientemente de que se alimentaran o no, ambos jaguares expresaron una frecuencia significativa de inactividad. Además, cuando se alimentó, uno de los jaguares incrementó el movimiento y las conductas activas de pie, aunque su inactividad siguió siendo alta, mientras que el otro redujo aún más la expresión de tales conductas. Se concluye que estos jaguares son tan inactivos durante los períodos de tarde / noche, como lo son durante el día. La excesiva inactividad puede considerarse un comportamiento negativo y su alta expresión parece ser un efecto de las condiciones de cautiverio, las cuales podrían perjudicar el estado de bienestar de los jaguares evaluados y posiblemente de otros gatos salvajes. Además, como las expresiones de comportamiento variaron entre los jaguares, dependiendo de la alimentación o no, se recomienda que se considere la variabilidad individual de la respuesta en estudios futuros, especialmente cuando existen diferencias de edad, salud y condiciones de manejo.
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