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

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

蹼, 水鸟蹼
the rectum or external opening in some animals, such as a fish, bird, etc., through which waste is passed

泄殖腔, 肛门
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

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

翅尖, 翼尖
a decorative and frilled collar-like structure made of feathers or hair that encircles the neck of a bird

装饰性羽毛领圈, 褶边领
the muscular part of a bird's digestive system with thick walls that grinds the food for a better digestion

砂囊, 肌胃
a prominent feature exhibited by some birds on their heads, consisting of feathers, fur, or skin

冠, 羽冠
a fleshy, often brightly colored, crest located on top of the head of certain bird species

冠, 肉冠
a fleshy, comb-like growth on top of the head of certain domestic roosters and other bird species

鸡冠, 公鸡冠
the hard or pointed part of a bird's mouth

喙, 嘴喙
a Y-shaped bone between the neck and breast of a bird

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

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

颈羽, 竖毛
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

隐秘羽毛, 覆盖羽毛
the feathers on the underside of a bird's wing, which can have distinctive patterns and colors that are often visible in flight

翅下羽, 翅膀下的羽毛
the small feathers on a bird's wing that cover the larger feathers and help the bird fly better

小翼羽, 小覆羽
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

tertial, 三次飞羽
the main and longest feathers on a bird's wing that help it fly

主翼羽毛, 主飞羽
the lower part of the leg, located between the shank and the foot, providing support and flexibility for perching and walking

跗骨, 脚踝骨
a line of color that goes across or behind the eye of a bird, making the bird's eye and facial features more noticeable

眼纹, 眼斑
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
