This is a minor variation on the story of the Boy Who Cried Wolf where Oswald the Lucky Rabbit tends a couple of lambs who tease him by crying 'Wolf! Wolf!' until the real article shows up.
1949
1982
2013
1923
1980
1987
1933
2008
1968
1977
1917
1978
2012
1892
2007
2002
2014
1966
1918