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.
Frogs like to croak after it rains.
Yes. Females can croak. That is all i know. My midori can croak, and she wakes me up sometimes
HorseBy DizzyFilly
Their Croak
male frogs will croak to attract female frogs.
No, hamilton's frog does not have a mating call.
Frogs stop croaking when breeding season is over.
It is called a 'croak', and its onomatopoeia in American English is 'ribbit'.
they croak to different levels to communicate
yes in fact all frogs crock
the type of tree frogs that croak at night is i dont know
Yes, Frogs Croak every night Croak = die