What they are and why alien species are such a threat – BBC Wildlife Magazine An alien species is any non-native plant, animal or other organism … stoats, possums and other introduced predators kill 25 million native birds … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppSkypeLike this:Like Loading... Related Tags: Wild Birds May 25, 2023 by Pumilo Wild Birds 0