Thermoregulation is the maintenance of internal body temperature, with animals like snakes being ectotherms relying on sun basking and birds being endotherms generating metabolic heat. But our textbook in Delhi makes it sound so clean, yaar, while my observations at the zoo tell a different story. I've seen pigeons fluffing feathers in our bitter winter fog just like my daughter bundles up in her school blazer, a behaviour more crucial than any simple classification. It reminds me that survival often depends on clever, practical adjustments, not just textbook categories.
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