Siddur Ashkenaz
Blessed are You, Adonoy our God, King of the Universe, Who gives the rooster understanding to distinguish between day and night.
Siddur Edot HaMizrach
Blessed are You, Hashem, King of the Universe, Who gives the rooster [alt. heart] the understanding to distinguish between day and between night.
Siddur Sefard
Blessed are You, Adonoy our God, King of the Universe, Who gives the rooster understanding to distinguish between day and night.