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Bird Day is a holiday established by Oil City, Pennsylvania school superintendent Charles Babcock in 1894. It was the first holiday in the United States dedicated to the celebration of birds.  Babcock intended it to advance bird conservation as a moral value. It is celebrated on May 4 of every year.
National Bird Day is an annual holiday with half a million adherents who celebrate through birdwatching, studying birds, bird drinking games including 'bird date' and other bird-related activities. Bird adoption is a particularly important National Bird Day activity. According to the newspaper Atlanta Journal Constitution, many bird enthusiasts celebrate by adopting birds and by educating future bird owners about the special issues involved with taking care of birds, including their "screaming, biting, constant cleanups, the need for daily interaction and a varied diet". National Bird Day takes place every year on the fifth day of the first month.
International Migratory Bird Day is a holiday dedicated to the celebration of migratory birds, and to conservation awareness. Originated by the Smithsonian Migratory Bird Center, it is celebrated annually on the second Saturday of May in the United States and Canada. In most Latin American countries it is celebrated on the second Saturday in October; in Colombia it is celebrated in October, and Costa Rica celebrates in April.
Since 1979, bird lovers in the United Kingdom have taken part in the annual Big Garden Birdwatch. In the annual event coordinated by the Royal Society for the Protection of Birds, up to half a million people spend an hour counting birds. In 2009 the Big Garden Birdwatch was referred to as "Bird Day" the Scotsman newspaper.