Real SPANISH MOSS for Pet Bedding - Fresh & Natural This fresh Spanish Moss is ideal for pet bedding to provide microclimates or burrowable pockets for reptiles. Perfect for any terrarium, Spanish Moss bedding provides necessary comfort and shelter for your pet. Great for reptiles and terrestrial amphibians-particularly frogs and green snakes. Spanish moss is safe for use with hermit crabs. Spanish moss makes great bird nesting material. It is used by birds in the wild.