The eye of an ostrich is bigger than its brain. In fact, an ostrich eyeball is almost as big as a billiard ball.
The cornea of an ostrich is interchangeable with a human cornea.
The knees of an ostrich bend backward.
You can pluck an ostrich every nine months, from its third to twelfth year.
Although the ostrich cannot fly, its wings are extremely useful. They balance the bird when it runs.
A widowed male ostrich never remates.
The ostrich is the fastest animal on two feet. It can run about 30 mph.
The liquid in one ostrich egg is equal to 24 chicken eggs.
A female ostrich can lay from 35 to 100 eggs a year. Goes on for about 45 years. About 3,000 ranchers in the United States are now raising ostriches. (For meat, not eggs.)
Flying squirrels do not really fly; they glide. They can travel about 3 feet horizontally for every 1 foot they fall when gliding.