1)
Why does it say "Davak" (masculine)?
1.
Ibn Ezra: Lashon can be masculine or feminine.
2)
Were only the nursing infants thirsty?
1.
Ibn Ezra, Palgei Mayim: Yes. Nursing is their source of food and drink. Olelim are older, like Olelos ha'Gafen.
3)
What is the meaning of "Pores Ein Lahem"?
1.
Rav Sadya Gaon: No one slices a loaf to give to them a slice. Ibn Ezra, Rid - this is like "Paros la'Ra'ev Lachmecha" (Yeshayah 58:7).