According to the Iowa National Heritage Foundation, both the mother and father eagles are protective of the eaglets. Although the Lord of the Rings Eagles are divine creatures, they are still animals with natural animal instincts. They care more about their children than anything else in Middle-earth. If the parents die, they cannot protect the eaglets. Although the Eagles like Gandalf, they would not put themselves in danger. Rescuing Gandalf from Saruman's tower did not put them in danger, nor did rescuing Frodo and Sam from Mordor after the ring was destroyed. The Eagles put their children first, like any good parent