I observed them, in large bodies that continued to pass for six or eight minutes, and these again were followed by other detached bodies, all moving in the same south-east direction, till after six in the evening. The great breadth of front which this... American Ornithology: Or The Natural History of the Birds of the United States - Pàgina 283 per Alexander Wilson, Charles Lucian Bonaparte, George Ord, William Maxwell Hetherington - 1831 Visualització completa -
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