The Song of Frogs, Love in the Pond, Joy of Predation, etc.
Frog Song: Frogs might write a poem about their unique calls and ways of communicating, using frog sounds as the theme.
Pond Love: The living environment of frogs is ponds and streams. They may use these places as the background to write a poem describing their love for nature and yearning for life.
The joy of preying: Frogs are predators. They may write a poem describing their hunting process and joy with the theme of preying.