Posted: May 11, 2017 at 3:22 pm TIL a San Francisco man saved a threatened butterfly species by replanting rare flora in his backyard, transporting caterpillars to his local botanical garden, where they began to make a comeback submitted by /u/holyfruits to r/todayilearned [link] [comments] Source: Reddit: TGIOKDI Upvoted Leave a Reply Cancel replyYou must be logged in to post a comment.