Background Birds have extremely elevated metabolic rates during migratory endurance
flight and consequently can become physiologically exhausted. One feature of exhaustion is …

There is a long history of avian studies investigating the impacts of urbanization. While
differences in several life-history traits have been documented, either between urban and …

During migratory endurance flights, which are energetically very demanding, migrants have
to deal with prolonged elevated generation of reactive oxygen species (ROS). To limit the …

A detailed analysis of fatty acid (FA) profiles and their properties relating to fuelling strategy
can improve understanding of avian migration. The study aimed to understand whether and …

Seasonal migration is a physiologically demanding endeavour that animals prepare for by
finding and storing energy. Species and populations vary in their tendencies to migrate and …

Wildlife is exposed to mixtures of environmental contaminants that affect health and
population dynamics. Exposure to toxic heavy metals originating from anthropogenic …

Physical effort requires a number of energetic, metabolic, hormonal, and cardiovascular
responses that can be highly costly for the organism to sustain. Even physical inactivity …

The natural history of birds is summarized. Account of what contemporary birds are, when
and how they came to be what they are, and why and how they evolved exceptional …

Migratory songbirds are among the best high-performance endurance athletes on the planet
and during their annual peregrinations they are particularly vulnerable to oxidative damage …

Le secrezioni della ghiandola dell'uropigio, distribuite sulle penne prelevate da esemplari di
alzavola (Anas crecca) nella Laguna di Venezia, sono state analizzate per caratterizzare …