A lightweight and durable structure that covers the bodies of birds, providing insulation, flight, and waterproofing. Feathers are made of keratin and are essential for thermoregulation and aerodynamics.
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Aug 24, 20261 min read
A lightweight and durable structure that covers the bodies of birds, providing insulation, flight, and waterproofing. Feathers are made of keratin and are essential for thermoregulation and aerodynamics.