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