Human: What are the differences between a frog, toad and a lizard? Assistant: 

1. The main difference between frogs, toads, and lizards is their size.
2. Frogs and toads have smooth skin that is typically green or brown in color, while lizards can have rough skin that is often yellow or orange.
3. Frogs and toads tend to live in water, while lizards prefer dry land habitats.
4. Toads typically lay eggs on land, while frogs and lizards lay eggs in water.
5. Frogs and toads typically have webbed feet for swimming, whereas lizards do not.