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Vertebrate road-kill patterns in Mediterranean habitats: who, when and where.

Road-kill is the most recognized impact of traffic and an important threat for biodiversity. Nevertheless, most research on this topic deals with particular species or with road features,...

Context-dependent effects of yolk androgens on nestling performance

Maternal effects have a great influence on offspring phenotype. In oviparous species, females can adjust offspring development by changing the levels of certain components of the egg (like yolk...

The ecological role of uncommon and endangered elasmobranch

Deficiencies in basic ecological information on uncommon and endangered elasmobranch fishes impair the assessment of their ecological role in marine ecosystems. In this study, we examined the...

Trade-off on shorebird eggshell colouration

In ground-nesting birds egg colour and appearance may have evolved due to opposite selection pressures. Pigmentation and spottiness make the eggs darker and have been suggested to improve...