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Ecotourism as a data source on rare species
Monitoring long-term trends in population size is important for species' conservation assessments. However, it may be unfeasible for rare species, for which past records are typically sparse....
The biochemical basis of the sexual ornaments of the red grouse unravels their informative content
The carotenoid-based ornaments displayed by many birds often play key roles in social and sexual signalling, revealing information about individual quality. Understanding the mechanisms of coloured...
PCB pollution continues to impact populations of orcas and other dolphins in European waters
Organochlorine (OC) pesticides and the more persistent polychlorinated biphenyls (PCBs) have well-established dose-dependent toxicities to birds, fish and mammals in experimental studies, but the...
Low levels of chemical anthropogenic pollution may threaten amphibians by impairing predator recognition
Recent studies suggest that direct mortality and physiological effects caused by pollutants are major contributing factors to global amphibian decline. This study shows how sublethal concentrations...
Waterbirds as vectors for alien species
The importance of waterbirds as vectors of aliens has been recognized since Darwin's time, yet research by pioneers has been forgotten during the development of modern invasion biology, which...
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