Twenty-five miles south of Baltimore^2,in a grassy pen^3enclosed by two rows of fences,electrified^4to provide protection against raccoons and monitored by video cameras,a pair of the tallest birds in North America em...Twenty-five miles south of Baltimore^2,in a grassy pen^3enclosed by two rows of fences,electrified^4to provide protection against raccoons and monitored by video cameras,a pair of the tallest birds in North America emerge from their hut.Powder-white,all neck and legs5,they step through the rain with care,as if in展开更多
文摘Twenty-five miles south of Baltimore^2,in a grassy pen^3enclosed by two rows of fences,electrified^4to provide protection against raccoons and monitored by video cameras,a pair of the tallest birds in North America emerge from their hut.Powder-white,all neck and legs5,they step through the rain with care,as if in
