Influences of seasonal prey availability and anthropogenic landscape on small-vertebrate based palaeoecological reconstructions: a case study from the mid-late Holocene transition at El Mirador cave (Sierra de Atapuerca, Spain)

Twenty small accumulations have been recovered in the Chalcolithic (MIR5) and Bronze Age (MIR4) levels. These accumulations contain an extraordinary number of bone remains of amphibians and reptiles, together with small-mammals and birds. Leer más.

Diel thermal variability does not always have detrimental effects on the performance of ectotherms

Our findings highlight the critical importance of optimal body temperatures, inflection points within the suboptimal temperature range, and type of performance trait for accurately determining the effects of thermal variability on ectotherm performance. Leer más.

Self-righting of the European pond turtle varies among populations and is related to body size, muscular strength and body condition

Our results reveal local adaptation in locomotor performance and antipredator behaviour. For example, turtles from heavily fished areas reacted significantly faster to a simulated predator attack than turtles from areas with little or no fishing. Leer más.

Preferencia de presas para mejorar la eficiencia de captura de una serpiente invasora

Para ello plantearon un trampeo usando una serie de cebos para la captura de L. californiae, agrupados en cebos vivos, cebos inertes y cebos control, y poder evaluar la respuesta de esta culebra con los diversos atrayentes utilizados. Leer más.

Problemas con la cría en cautividad del lagarto gigante de La Gomera

En esta ocasión el veterinario Martínez Silvestre y colaboradores han comunicado casos clínicos de endogamia observados en el Centro de Cria en Cautividad del Lagarto Gigante de La Gomera bajo el título: Evidence of inbreeding in the breeding program of the La Gomera giant lizard (Gallotia bravoana). Leer más.