Monitoring reveals warmer roosts in historic fortresses, highlighting their conservation importance for bats in urban areas.
Thermal stability of bat roosts in tropical urban structures remains understudied despite its conservation relevance. We monitored two Colombian Caribbean fortresses, finding chambers with reproductive mormoopid colonies were 5°C–9°C warmer than unoccupied, peaking at 39°C. This first documented tropical urban ‘hot roost’ is critical for conserving cave‐specialist bats in cities.
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Otálora‐Ardila et al. (2026) studied this question.
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