Australia has some amazing animals - and some big fences. Some fo these were necessary thanks to some "acclimatizers" of the 1800s who introduced non-native species to the island.
Today a fence on the eastern side is the longest in the world!
Kickstarter Link: https://www.kickstarter.com/projects/heartallybooks/tails-a-book-about-the-most-interesting-animals-in-history?ref=user_menu