કોયલને કાગડો એક જ રંગી કડવી છે કાગડાની વાણી...

kōyalanē kāgaḍō ēka ja raṁgī kaḍavī chē kāgaḍānī vāṇī...

The same thought elsewhere

બૃહદ કહેવત કથાસાગર (Bruhad Kahevat Kathasagar) (1920) · read from the scan by machine — the Gujarati itself is unchecked · awaiting its meaning

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.