The Monarch Butterfly Migration: Its Rise and Fall - Hardcoverby Monika Maeckle (Author) Each fall, millions of monarch butterflies migrate from Canada to Mexico. Their incredible journey nearly 3,000 miles long takes them through Oklahoma, Texas, and other US states, where butterfly devotees eagerly await their arrival. The monarch migration is a brilliant demonstration of nature's ingenuity, but the delicate creatures face many perils, and the number of migrating monarchs is declining sharply. This compelling