how big is a hummingbird nest
Best Answer: On average a Hummingbird nest will only be 1 1/2 inches in diameter. Hummingbird Nesting. In general, the nest building and the raising of the young is all done by the female Hummingbird. She will raise one brood per season. On average a Hummingbird nest will only be 1 1/2 inches in diameter. They will be cup shaped and made out of plant material that's held together with spider webs. Source(s): http://www.learner.org/jnorth/images/gra... http://howtoenjoyhummingbirds.com/hummin...