Female southern pied babblers in South Africa fail to learn a simple workaround behind a see-through barrier on hot days, continuing to peck instead of going around. Cooler conditions allow rapid problem-solving, indicating temperature-dependent cognitive impairment. Broader evidence links heat to reduced learning and increased aggression, including more dog biting and more fights in chamois. Reduced alertness can lower survival by limiting food acquisition and predator avoidance. Climate change may intensify these effects, disrupting pollination, crop and wild plant success, and juvenile survival, with behavioral adaptability becoming crucial.
Read at Ars Technica
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