any of the two parts of the body of a bird, insect, etc. used for flying

翼, 羽
a membrane that connects the toes of certain aquatic birds, such as ducks and coots, enabling them to swim with greater ease

水かき, 趾間膜
the rectum or external opening in some animals, such as a fish, bird, etc., through which waste is passed

総排出腔, 肛門
a pointed extension of bone that grows from the leg or foot and is used for defense, mating rituals, or establishing dominance within a social group

拍車, 骨棘
the outermost part of a bird's wing that includes the primary feathers and contributes to the bird's flight maneuverability and stability

翼端, 翼の先端
a decorative and frilled collar-like structure made of feathers or hair that encircles the neck of a bird

襟飾り, 首輪
the muscular part of a bird's digestive system with thick walls that grinds the food for a better digestion

砂嚢, 筋肉質の消化器官
a prominent feature exhibited by some birds on their heads, consisting of feathers, fur, or skin

とさか, 冠毛
a fleshy, often brightly colored, crest located on top of the head of certain bird species

とさか, 冠毛
a fleshy, comb-like growth on top of the head of certain domestic roosters and other bird species

とさか, 鶏冠
the hard or pointed part of a bird's mouth

くちばし, 鳥のくちばし
a Y-shaped bone between the neck and breast of a bird

叉骨, 願い骨
a sharp and curved nail on the toe of an animal or a bird

爪, 鉤爪
the long erectile feather or hair in the neck area of some birds and mammals such as dogs

首羽, 立毛
the region of feathers covering the upper back, shoulders, and base of the wings

マント, 背中の羽毛
a type of small, fluffy feather that covers the base of a bird's larger flight feathers, providing insulation and helping to streamline the bird's wing shape

覆羽, 雨覆羽
the feathers on the underside of a bird's wing, which can have distinctive patterns and colors that are often visible in flight

翼の下の羽, アンダーウィングの羽
the small feathers on a bird's wing that cover the larger feathers and help the bird fly better

小覆羽, 覆羽
a small feather that covers the base of a bigger feather on the wings or tail, helping the bird to fly better by keeping it warm and streamlined

覆羽, 小さな覆羽
a feather on the wing that helps with stability and maneuverability during flight. It's located between the flight feathers and the bird's body

三次風切羽, 安定羽
the main and longest feathers on a bird's wing that help it fly

初列風切羽, 主翼羽
the lower part of the leg, located between the shank and the foot, providing support and flexibility for perching and walking

足根, 脚の下部
a line of color that goes across or behind the eye of a bird, making the bird's eye and facial features more noticeable

アイストライプ, 目の線
a glandular organ found in the digestive system of birds that functions in the initial breakdown of food before it enters the stomach

前胃, 腺胃
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