Emily Dickinson's famous line—"Hope is the thing with feathers"—finds its way into many bird essays. But the news about the official extinction of the Ivory-billed Woodpecker (and other species) reminds us that despair also can cloak itself in feathers.

Ivory-billed Woodpecker at nest, taken by Dr. James Tanner, at the Singer Tract in 1935. Photo: Science History Images/Alamy. See National Audubon’s article for more info and photos.