1)
Why does it mention the rising of the Nesher?
1.
Rashi, from Pesikta Rabasi 47]: The Shechinah ("k'Nesher Ya'er Kino") removes its entourage, lest they damage Aharon 1 when he enters the Kodesh on Yom Kipur.
2.
Ibn Ezra, Malbim: No bird flies higher than an eagle.
1
And every Kohen Gadol. (PF) At that time "no Adam will be in the Ohel Mo'ed" - even angels, "u'Dmus Pneihem Pnei Adam" (Yerushalmi Yuma 1:5).
2)
What do we learn from "v'Chi Yarim Kino"?
1.
Malbim: It makes its nest very high, amidst love of its children.
