When ducks fly high in the sky you can't see them. Ducks are water proof. Grass snakes are a predator for frogs. When a frog hears the slithering of a snake, it dives under water. There are lots of different kinds of frogs.
All frogs live near water.
Frogs eggs stick together to make a very big blob of jelly. It is called spawn. Each black dot is a tiny tadpole. There are 4000 different kinds of frogs in this world. Some frogs don't lay eggs under water.