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Article
Valentin Amrhein, Auteur ; Hansjoerg P. Kunc, Auteur ; Rouven Schmidt, Auteur ; Marc Naguib, AuteurIn many bird species the sex ratio of adults is male-biased, which is likely to have consequences for the ecology as well as for the conservation of a species. For example, when some males remain unpaired in a population, there should be strong [...]
Article
Lysanne Snijders, Auteur ; Lydia E. Nieuwe Weme, Auteur ; Piet de Goede, Auteur ; James L. Savage, Auteur ; Kees van Oers, Auteur ; Marc Naguib, AuteurBiotelemetry devices provide unprecedented insights into the spatial behaviour and ecology of many animals. Quantifying the potential effects of attaching such devices to animals is essential, but certain effects may appear only in specific or p[...]
Article
Philipp Sprau, Auteur ; Tobias Roth, Auteur ; Valentin Amrhein, Auteur ; Marc Naguib, AuteurIn territorial animals, establishing and defending a territory against rivals is commonly a prerequisite for successful reproduction. Yet, often, non-territorial males that are seeking to establish their own territory may intrude into occupied t[...]
Article
Philipp Sprau, Auteur ; Tobias Roth, Auteur ; Valentin Amrhein, Auteur ; Marc Naguib, AuteurIn animal communication, elaborate signals have been shown to be under sexual selection and often to reliably indicate a signaler's quality, condition, or motivation. For instance, the performance of physically challenging signals such as trills[...]
