The water dish is visible and she can be found walking around everywhere but the moss is the most popular location, which keeps her visible and happy.
Galápagos Royal Pillow Moss is the ‘Big Daddy of Mosses!’ Its huge and massive appearance becomes a dominant feature in terrariums. Royal Pillow Moss absorbs a ton of water and slowly releases it to boost the humidity in your tank. Frogs, salamanders, newts, and snakes love sitting on top of these giant pieces! They make for perfect hideouts your pet as well! Royal Pillow Moss comes in a mini bag and 8QT resealable bag.
Galapagos Royal Pillow Moss - 8 qt
These extremely rare frogs which look like they are covered in moss have been bred in a UK wildlife park. : r/interestingasfuck
Can I digg up moss from my backyard for terrarium use? - Quora
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Did I mention she really likes frog moss?
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