Animals, Volume 15, Issue 11
2025 June-1 - 172 articles
Cover Story: Although animals are typically modelled as making uniform responses to weather conditions, in reality, the adaptive capacity and resilience of a species relates to differences in the way individuals respond. We investigated how energy expenditure varied among individual European badgers belonging to a high-density population. In spring, thin badgers remained active regardless of temperature, whereas fatter badgers were less active on cool nights. Conversely, in summer, thin badgers were more active on warmer nights. Crucially, however, 35% to 57% of differences in activity were simply idiosyncratic, showing that under the same conditions animals make diverse choices about how to spend energy, where no single tactic is optimal. Such differences in activity profiles may contribute to population resilience under rapid environmental change. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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