The Kaua’i ‘ō’ō (Moho braccatus) is one of the most tragic examples of a bird’s “last mating call.” It was a small songbird native to the Hawaiian island of Kaua’i, and it became extinct in the late 20th century. The Kaua’i ‘ō’ō was known for its distinctive, melodious mating calls, which were once heard echoing through the forests of Kaua’i. These calls were part of the bird’s complex courtship rituals. However, as the bird’s population dwindled due to habitat destruction, predation by introduc