Common frog at Lake Sidsjön

Common frog — facts for kids

Rana temporaria

The frog breathes through its skin. That is why it always has to stay damp, and why it lives close to the water. In winter it sleeps down in the mud at the bottom of the lake.

Field notes

How big?

About the size of your palm

How heavy?

As light as a couple of blocks

What does it eat?

Insects, snails and larvae

When can you see it?

April to September, near water

How big is it?

You
Common frog

Common frog is 7–10 cm long.

Look for this

Clumps of jelly balls in shallow water in spring. Each clump holds hundreds of tiny eggs.

How it sounds

A low purring creak, in short bursts from the reeds.

Fun to know

  • A frog can jump twenty times its own length.
  • It blinks with a third, see-through eyelid.
  • Every frog starts life as a tadpole with a tail.

Meet the common frog for real

Around Lake Sidsjön in Sundsvall, Sweden, the animals stand in their real places. Come within ten metres and the common frog comes alive in the phone and answers children's questions. The trail is in Swedish.