Foraging decisions are the result of a complex decision-making process involving intrinsic factors (physiology, body condition, cognitive ability, sex, ontogeny, etc.) and environmental factors (food availability, structural habitat, presence of predators and competitors). Leer más.

The skeleton of a heavily feathered, ostrichlike dinosaur has «unparalleled» fossilized feathers and skin — anatomical features that aren’t usually preserved in dinosaur remains, a new study reports. Leer más.

We describe a new species of Dixonius on the basis of five specimens from Phu Quy Island, Binh Thuan Province, in southern Vietnam. Leer más.

Zoey Owen-Jones, Pauline Priol, Stephanie Thienpont, Marc Cheylan, Gabrielle Sauret, Christophe Coïc and Aurélien Besnard. Article first published online: 28 OCT 2015. Most studies on the effect of drought on the biodiversity of freshwater systems have focussed on natural droughts. We sought to assess the effects of artificial drainage on the population dynamics of the European pond turtle (Emys orbicularis). We investigated whether the probability of survival and emigration/immigration was affected by short-term drawdown (for a few months over winter) or long-term habitat drainage (a full year of drying out) in this long-lived species of low dispersal ability. Leer más.