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Sole matriarch: Every living bird
EVERY ONE OF THESE BIRDS ALIVE TODAY HAS THE SAME GREAT-GRANDMOTHER There is a small black bird on a windswept island in the South Pacific, and if you could trace its family tree back far enough you ...
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In 1981, five black robins remained on Earth; scientists made other birds raise their eggs
Only five Chatham Island black robins remained before the breeding season of 1981-82: a pair named Old Blue and Old Yellow, a second pair named Green and White, and one surviving chick from the year ...
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