Browsing by Author "Landgraf, Tim"

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2021-01-07Zeitschriftenartikel

Consistent Behavioral Syndrome Across Seasons in an Invasive Freshwater Fish

Lukas, Juliane; Kalinkat, Gregor; Miesen, Friedrich Wilhelm; Landgraf, Tim; Krause, Jens; Bierbach, David

Understanding the linkage between behavioral types and dispersal tendency has become a pressing issue in light of global change and biological invasions. Here, we explore whether dispersing individuals exhibit behavioral ...
2020-05-15Zeitschriftenartikel

Guppies Prefer to Follow Large (Robot) Leaders Irrespective of Own Size

Bierbach, David; Mönck, Hauke J.; Lukas, Juliane; Habedank, Marie; Romanczuk, Pawel; Landgraf, Tim; Krause, Jens

Body size is often assumed to determine how successfully an individual can lead others with larger individuals being better leaders than smaller ones. But even if larger individuals are more readily followed, body size ...
2021-09-15Zeitschriftenartikel

Impact of Variable Speed on Collective Movement of Animal Groups

Klamser, Pascal; Gómez-Nava, Luis; Landgraf, Tim; Jolles, Jolle; Bierbach, David; Romanczuk, Pawel

The collective dynamics and structure of animal groups has attracted the attention of scientists across a broad range of fields. A variety of agent-based models have been developed to help understand the emergence of ...
2018-02-05Zeitschriftenartikel

Insights into the Social Behavior of Surface and Cave-Dwelling Fish (Poecilia mexicana) in Light and Darkness through the Use of a Biomimetic Robot

Bierbach, David; Lukas, Juliane; Bergmann, Anja; Elsner, Kristiane; Höhne, Leander; Weber, Christiane; Weimar, Nils; Arias-Rodriguez, Lenin; Mönck, Hauke J.; Nguyen, Hai; Romanczuk, Pawel; Landgraf, Tim; Krause, Jens

Biomimetic robots (BRs) are becoming more common in behavioral research and, if they are accepted as conspecifics, allow for new forms of experimental manipulations of social interactions. Nevertheless, it is often not ...
2021-02-17Zeitschriftenartikel

Social networks predict the life and death of honey bees

Wild, Benjamin; Dormagen, David; Zachariae, Adrian; Smith, Michael; Traynor, Kirsten; Brockmann, Dirk; Couzin, Iain; Landgraf, Tim

In complex societies, individuals’ roles are reflected by interactions with other conspecifics. Honey bees (Apis mellifera) generally change tasks as they age, but developmental trajectories of individuals can vary drastically ...