Stránka:roll 1917.djvu/365

Things to Know and Do 333 Purple Crackle, or Crow Blackbird (Quiscalus quiscala). This northern bird of paradise looks black at a distance but its head is shiny blue and its body iridescent. It is twelve inches long. When flying it holds its long tail with the edge raised like a boat, hence "boat tail." In various fonns it is found throughout the Extern States, and in Canada up to Hudson Bay. Baltimore Oriole Putple Crackle, or Crow Blackbiid Snowbird [Plectrophenax nivalis). About six and a half indies long, this bird is pure white, overlaid with brown on the crown, back, and sides. The wings, back, and tail are partly black. The Snowbird nests in the Arctic regions and is common in most of temperate agricultural America, during winter, wher- ever there is snow.