驼鸟
4.Ostriches are the biggest birds. It can not fly,but it can run very fast.An ostrich can be 2.5 metres tall.
5.let us see ? There are hippos , tigers , lions , ostriches , peacocks , camels , donkeys , wolves , foxes , deer ...
8.Raymond: Let's see? There're hippos, tigers, lions, ostriches, peacocks, camels, donkeys, wolves, foxes, deer...
9.smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Straits of Magellan.
10.larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia.


