May 5th, 2025-May 9th is Summer-First stage of RIKKA (Beginning of summer)-19th KOU Frogs start singing.” The SHICHIJYUNIKOU calendar has finally entered summer. Frogs are the seasonal word for spring in haiku. Their increased vocalizations are usually a response to environmental cues associated with changes in weather, particularly increased humidity and the likelihood of rain. Do frogs call for rain? – The Environmental Literacy Council And rain is the seasonal word for summer. I think the 10th KOU represents the transition from spring to summer.
I found my first frog this year on March 25th, probably a kind of brown frogs.
It’s the same swamp, but the frog being croaking a lot recently seems to be Schlegel’s green tree frog by judging from the voice. It is endemic to Japan
Rice field preparation has begun. As water is drawn into the fields, frogs begin to chorus 🎶