动物 - The Anatomy of Birds

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

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

a colorful and usually red lobe that hangs from the head or neck of a bird

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

a long, sharp nail on the foot of some birds, especially birds of prey

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

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

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

the lower or upper part of a bird's beak

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

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

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

a visible ring, band, or marking encircling the neck or throat area of an animal

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

the part of an animal's body corresponding to the human chest

the projecting mouthpart of a bird used for feeding or preening

the hard or pointed part of a bird's mouth

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

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

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

a pouch in birds and some other animals used to store and soften food before digestion

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

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

any of the larger wing or tail feathers of a bird

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

the small feathers on a bird's wing that cover the larger feathers and help the bird fly better

a feather that covers the base of a wing or tail feather, aiding flight and insulation

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

the main and longest feathers on a bird's wing that help it fly

the lower part of the leg, located between the shank and the foot, providing support and flexibility for perching and walking

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

a glandular organ found in the digestive system of birds that functions in the initial breakdown of food before it enters the stomach