In the year 1900 American ornithologist Frank Chapman created what may be viewed as the first every crowd-sourced citizen science project, when he suggested that people counted the various birds they saw during the Christmas season as opposed to killing them. The Christmas Bird Count, as it’s now known, started with 27 people in 25 places across the United States and Canada. it has grown considerably since then, and last year some 71,531 people took part in multiple countries. To take part in this year’s count go to this website and register http://birds.audubon.org/christmas-bird-count