This Bird Takes Sibling Rivalry to Extremes – Newser birds. This Bird Takes Sibling Rivalry to Extremes. Nazca boobies literally kick smaller siblings out of the nest to die. By Rob Quinn, Newser Staff. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews May 5, 2024 by Pumilo Bird News 0