Pau: The Last Song of the Kaua’i ‘o’oBy: Tony Piedra, Mackenzie Joy Illustrator: Tony Piedra,Mackenzie Joy A moving ecological fable and a lyrical love song to a lost species from the cocreators of One Tiny Treefrog: A Countdown to Survival Millions of years ago, the island of Kauai began to bloom with life, color, and sound. In time, the oo bird added its song to the island chorus. Then a new species arrived: people. The impact of more and more humans meant fewer and fewer Kauai oo.