玻利维亚Madidi国家公园里，一对红绿金刚鹦鹉在森林上空翱翔。这种长寿的鸟交配后会厮守终生，几乎每一分钟都在一起。
(照片来源于《Madidi：玻利维亚会淹没它新的国家公园吗？》(2000年3月,国家地理杂志)未发表部分)
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