It gave polar bear cub to its resident bear and waited for it to fly . And it waited and waited : it never made amorous advances toward Kurumi . Months later , the zoo makes key discovery : both bears are female .
Zoo introduced polar bear cub to its resident bear and waited for sparks to fly . And it waited and waited : Tsuyoshi never made amorous advances toward Kurumi . Months later , the zoo makes key discovery : both bears are female .