1)
Why does the Torah refer to the ostrich as "Bas ha'Ya'anah"?
1.
Chizkuni, Riva and Moshav Zekenim (citing the Ri): Because the flesh of a full-grown ostrich is hard and inedible. 1
2.
Chulin 64b: To teach us that the eggs of a Tamei bird are also forbidden. .
1
Riva and Moshav Zekenim, citing the Ri: This is due to the fact that young ostriches eat iron, thereby causing their flesh to become hard like iron when it matures.
