Risk-taking behavior depends on metabolic rate and temperature in great tits

Animals often differ in their behavioural response to risky situations such as exposure to predators. Researchers from the Max Planck Institute for Ornithology now found in a long-term study on different populations of great tits that risk-taking behaviour correlates with both metabolic rate and ambient temperature. High metabolic rates and low temperatures were associated with high risk-taking behaviour, as in these scenarios birds were more likely to approach potential predators.

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