Gular skin
Area of featherless skin on birds
Gular skin
Gular skin (throat skin), in ornithology, is an area of featherless skin on birds that joins the lower mandible of the beak (or bill) to the bird's neck. Other vertebrate taxa may have a comparable anatomical structure that is referred to as either a gular sac, throat sac, vocal sac or gular fold.
Read on Wikipedia · Image The original uploader was Aquaimages at English Wikipedia., CC BY-SA 2.5
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