John Burroughs (April 3, 1837 – March 29, 1921) was an American naturalist and nature essayist, active in the U.S. conservation movement. The first of his essay collections was Wake-Robin in 1871.
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The very idea of a bird is a symbol and a suggestion to the poet. A bird seems to be at the top of the scale, so vehement and intense his life. . . . The beautiful vagabonds, endowed with every grace, masters of all climes, and knowing no bounds -- how many human aspirations are realised in their free, holiday-lives -- and how many suggestions to the poet in their flight and song!