Linear developments, such as roads, firebreaks, and railways, provide a stark juxtaposition of different habitats with contrasting associated predation risks, thus potentially influencing...

In long-lived species, the age-, stage- and/or sex-dependent patterns of survival and reproduction determine the evolution of life history strategies, the shape of the reproductive value, and...

The brown bear is among the most targeted species for ecotourism in North America and Europe. As bear viewing often occurs in sensitive places where bears congregate for mating, rearing young...

Large carnivores can be found in different scenarios of cohabitation with humans. Behavioral adaptations to minimize risk from humans are expected to be exacerbated where large carnivores are most...

Pheomelanin is a sulphur-containing yellow-to-reddish pigment whose synthesis consumes the main intracellular antioxidant (glutathione; GSH) and its precursor cysteine. Cysteine used for...