Question

why are birds nests round

Answer 1

Answer:

The eggs of these species are dramatically pointed at one end, so that they roll in a circle when disturbed. This is critical for the survival of the developing eggs, as there are no nests to keep them from rolling off the side of the cliff.

Answer 2

Answer:

Birds nests are round because that is how the birds built to make them mor comfortable and warm for there little ones. Example. In our solar system every planet is like round shapes right? That thing applies to nest I think.