An albino Black Vulture, the only one known in existence and just the second ever seen, sits on his perch at the World Bird Sanctuary in st Louis, Missouri.
密苏里圣路易斯世界鸟类保护区，已知存在的唯一一只白化黑秃鹫站在栖息处。这是第二次见到它。
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Satisfied, the kite returns to its perch and shows off the black epaulettes on its grey back.