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What are the primary differences between the various types of frogs?
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The primary difference between the various types of frogs is their size, shape and coloration. There are over 5,000 species of frogs in the world, with varying body shapes and sizes. Some frogs have smooth skin while others may have warty skin or even bumpy skin like a toad. Frogs also come in a variety of colors, from green and brown to yellow and blue.