The Last Call Of A Species. Kauaʻi ʻōʻō bird recorded in 1987.

Описание: The last Kauaʻi ʻōʻō bird was a male. Its song was recorded in 1987 and it was actually a mating call. Invitation for a female who was no longer there.. ! With his death, the species went extinct the same year.

Many of its relatives have also become extinct, such as the Hawai'i ʻōʻō, Bishop's ʻōʻō and O'ahu ʻōʻō. And as per records, we know other than the human induced entinctions, 1 in a million species go extinct each year naturally.
As relatively intelligent beings on this planet, we humans should preserve and cherish our mother nature.