Australia's native frogs - The Australian Museum
Phrog Blog – Jonny's Creations
Camouflage - Wikipedia
The mossy frog is the sweetest thing - Australian Geographic
Frogs of the World – Part Two
Moment of Yikes: Spooky critters
Introducing one of the world's most beautiful frogs – finally - Australian Geographic
American Bull Frog, British Wildlife Wiki
Vietnamese mossy frog Smithsonian's National Zoo and Conservation Biology Institute
Biodiversity – Page 9 – Connecting Country