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November 17, 2017Why did the most abundant bird in the world go extinct in just 50 years?7 minutesPlayHunting and lack of genetic diversity mean we don't see passenger pigeons blocking the sun today...moreShareView all episodesBy CBCNovember 17, 2017Why did the most abundant bird in the world go extinct in just 50 years?7 minutesPlayHunting and lack of genetic diversity mean we don't see passenger pigeons blocking the sun today...more
November 17, 2017Why did the most abundant bird in the world go extinct in just 50 years?7 minutesPlayHunting and lack of genetic diversity mean we don't see passenger pigeons blocking the sun today...more