John Bernard Croak died on 1918-08-08.
John Lyle Donaghy died in 1946.
John Bernard Blamo was born in 1935.
John Francis Dillon died on April 4, 1934, in Beverly Hills, Los Angeles, California, USA of heart attack.
Bernard Hollander died in 1934.
Bernard of Carinola died in 1109.
John Bernard Croak was born in 1892.
John Bernard Croak
John Bernard McDowell died in 2010.
John Bernard MacGinley died in 1969.
Bernard John McQuaid died in 1909.
John Bernard - bishop - died in 1927.
John Bernard O'Hara died in 1927.
John Bernard Kevenhoerster died on 1949-12-09.
Harold Bernard St. John died on 2004-02-29.
They don't croak when the water stagnates. They croak when it is mating season, in which case they are calling to a female. unless by croak you mean die, and in which case they will die when the water stagnates because it is unhealthy. It also means you need to re-phrase your question.
John Lyle Donaghy died in 1946.
Croak is a noun (a croak) and a verb (to croak).