a membrane that connects the toes of certain aquatic birds, such as ducks and coots, enabling them to swim with greater ease
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膜, 网
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the rectum or external opening in some animals, such as a fish, bird, etc., through which waste is passed
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肛门, 孔
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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
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毒刺, 刺
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the outermost part of a bird's wing that includes the primary feathers and contributes to the bird's flight maneuverability and stability
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翼尖, 翅膀尖端
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a decorative and frilled collar-like structure made of feathers or hair that encircles the neck of a bird
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飾領, 衣領
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the muscular part of a bird's digestive system with thick walls that grinds the food for a better digestion
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胃, 筋肉胃
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a prominent feature exhibited by some birds on their heads, consisting of feathers, fur, or skin
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冠, 羽毛
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a fleshy, often brightly colored, crest located on top of the head of certain bird species
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羽冠, 梳子
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a fleshy, comb-like growth on top of the head of certain domestic roosters and other bird species
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鸡冠, 鸡冠肉
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the long erectile feather or hair in the neck area of some birds and mammals such as dogs
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鬃毛, 脖毛
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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
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覆羽, 罩羽
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the feathers on the underside of a bird's wing, which can have distinctive patterns and colors that are often visible in flight
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翼下羽毛, 下翼羽毛
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the small feathers on a bird's wing that cover the larger feathers and help the bird fly better
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较小的覆羽, 小覆羽
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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
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覆盖羽, 覆盖羽毛
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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
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三级羽毛, 三次羽毛
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the lower part of the leg, located between the shank and the foot, providing support and flexibility for perching and walking
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跗骨, 脚踝
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a line of color that goes across or behind the eye of a bird, making the bird's eye and facial features more noticeable
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眼部条纹, 眼部线条
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