Chris Merkord Posted June 20, 2013 Share Posted June 20, 2013 The Conversation Are birds worth the billions? The Conversation Across the world, birds are celebrated as spiritual and religious symbols. Much of what we understand about the natural world comes from the observations of early naturalists with a passion for ornithology. Even in modern times, birds remain the best ... and more » View the full article Link to comment Share on other sites More sharing options...
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