Answer :
Final Answer:
Sad about the singing of the male Kauai O'o bird was C) It sang to attract a mate, but there were no females left.
Explanation:
The Kauai O'o bird, native to the Hawaiian island of Kauai, faced a tragic fate due to habitat destruction and the introduction of invasive species. The sad aspect of the male Kauai O'o's singing lies in option C. These birds were known for their beautiful singing voices, and they used their songs to attract mates.
However, their population declined to the point where there were no remaining females, leaving the male birds to sing in vain, with no hope of finding a mate. This ultimately led to the extinction of the Kauai O'o, making their once-beautiful songs a poignant reminder of a species lost forever.
Option C is the answer.
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