Here are some English sentences describing the appearance of ostrich:

The ostrich is a large, flightless bird with long, powerful legs and a long, curved neck.

Its feathers are soft and fluffy, with a mix of black and white or brown and gray.

The ostrich has a small head with large eyes and a sharp beak.

Its legs are covered with rough scales and end in two-toed feet, with one large toe and one smaller toe.

When threatened, the ostrich will spread its wings and tail feathers to appear larger and more intimidating.

Adult ostriches can grow up to 9 feet tall and weigh up to 300 pounds.

They have a distinctive mating dance, where the male flaps his wings and bobs his head to attract a female.