Quasi-extinction risk and population targets for the Eastern, migratory population of monarch butterflies (Danaus plexippus) User thetimeisnow, in the Monarch Butterfly subreddit, 19 Sep 2017
Long-term declines in the overwintering Eastern population of North American monarch butterflies are significantly increasing their likelihood of becoming extinct over the next two decades, according to new research. User ImperiousJazzHands, in the Reddit Science subreddit, 21 Mar 2016