Beak-bonking also helps eaglets develop muscles and improve coordination, since it takes strength and skill to tussle with a sibling.

Do eaglets kill each other?

Yes, baby bald eagles can kill each other. Newly hatched nestlings can be very aggressive to each other. They appear to be aggressive by nature.

What is eagle bonking?

A WORD ON SIBLING RIVALRY (BONKING): The older bird is larger, heavier, and more developed than the younger bird, so it requires more food and is avid for its share. ... This behavior occurs more within the first two weeks of life, declining as the siblings learn.