Uploaded November 2014 | Updated September 2026, 3 weeks ago
Although feathers cover most parts of the body of birds, they arise only from certain well-defined tracts on the skin. They aid in flight, thermal insulation, waterproofing, and coloration that helps in communication and protection.
Although feathers cover most parts of the body of birds, they arise only from certain well-defined tracts on the skin. They aid in flight, thermal insulation, waterproofing, and coloration that helps in communication and protection.
