frog

Frogs are considered an indicator species for environmental health worldwide. Their skin is very sensitive, so they quickly detect environmental changes. Cute frog memes are especially popular on social media.

Frogs have been considered a symbol of good luck and transformation in various cultures. They are sometimes used as a symbol of metamorphosis, like in the fairy tale "The Frog Prince." They are also famous as a delicious ingredient in French cuisine. In Korea, they sometimes appear as mischievous characters like the Korean tree frog.