Mostly lions, cheetahs, leopards, spotted hyenas, and the obvious contribution of mankind.
Ostriches are very smart. They guard their nest from predator's. The male pretends to be injured and leads the predator away. When the predator comes close the male runs away. The female lies down atop of the eggs so she can blend into the sand and ground. Tell me that is not smart!!!!!!!!!!
Ostriches live in Africa, in deserts, savannas and mountainous regions, as well as dense brush and open woodlands. For protection, they often congregate with grazing mammals such as zebras and some antelope species. They are also found living with giraffes and elephants. Not only do these mammals flush out food for ostriches, they also provide an early warning system. When there is a predator such as a lion, ostriches use their forward-facing eyes to spot the predator before sprinting off at 45 miles per hour. Ostriches have keen vision, and that helps with the senses of smell that the graving mammals they congregate with have.
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A pride of ostriches
Groups of ostriches are called herds or flocks. Ostriches generally wander around in groups of five or less, they are considered nomadic.
There was selective pressure on the ability to outrun, versus outfly, predators. Ostriches cannot fly, but they can run very fast, up to 60 mph in a sprint. Also, their legs are very powerful and they have razor-sharp talons on the end of their toes that they can use to eviscerate an attacking predator.
Ostriches generally don't migrate.
A Deal in Ostriches was created in 1894.
Ostriches Origanlly came from Africa. You may find Ostriches here in Austraila, but not in the wild.
So they can repopulate the amour of ostriches in the world. Let me put it this way: 0 eggs = Extinct ostriches
No. 9 ostriches are around 810 pounds. 22 ostriches is closest to a ton.
Ostriches swallow pebbles that help as gastroliths.