San Diego Zooさんのインスタグラム写真 - (San Diego ZooInstagram)「Fun facts about the great monarch migration: Monarchs are the only butterflies known to make a two-way migration like birds do They travel between 50-100 miles/day It can take up to 2 months to complete their journey Scientists believe the magnetic pull of the earth and position of the sun help guide monarchs throughout their migration There are 2 populations of migratory monarchs: Western monarchs range west of the Rocky Mountains and overwinter in coastal CA, and eastern monarchs range east of the Rockies and overwinter in Central Mexico Monarchs cuddle in clusters to stay warm during winter We're proud to support this magnificent journey by partnering with the AZA SAFE North American Monarch program. Click the link in our bio to see how you can help these precious pollinators over the next few weeks. #PlayitSAFE #SAFEMonarchs #FeedTheMigration #SavingSpecies」10月3日 8時00分