By analyzing otolith microchemistry, we examined the use of freshwater and marine environments by brown trout Salmo trutta L. that spawn in the Swedish River Emån and migrate to the Baltic Sea. We estimated the time juveniles ...

Animals of countless species, wild as well as tame, can now entertain tourists on their holidays. The popularity, however, of animal-based tourism comes with significant risks for the welfare of these animals. Many animals ...