Animal behaviour and evolution

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A guest commentary by biologists Niklas Kästner and Tobias Zimmermann, editors of the online magazine "ETHOlogisch - Verhalten verstehen" ("ETHOlogical - Understanding Behaviour")

Anolis lizards and male orchid bees have developed behaviors that bring evolutio
Anolis lizards and male orchid bees have developed behaviors that bring evolutionary advantages to the species. © Lindsey Swierk, Thomas Eltz
A mouse which disappears in a hole, a bee heading for a blossom, a blackbird in full-throated song - we are surrounded by animals which interact with their environment in certain ways. In other words, they display behaviour. In contrast to molecular or cell biological processes, animal behaviour can usually be observed with the naked eye. However, whereas we can determine with relatively simple means how an animal behaves, the question why it does so is much more complex. Using scientific methods to get to the bottom of it is one of the central tasks of behavioural biology. ...
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