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Gnathotheca: Bird Term of the Day

Definitions of words used by pet bird enthusiasts with the pet bird slant.

Definitions of words used by pet bird enthusiasts with the pet bird slant.

gnathotheca: (noun) The covering of the lower beak, which is a keratin surface. Keratin is the tough and fibrous protein substance that forms the outer layer of epidermal structures, such as horns and nails.

Bird Word of the Day

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Article Categories:
Birds · Lifestyle