Crickets
There are over 900 different type of crickets. The cricket and grasshopper are two different types of spices don't get them confused people often do get them confused. they play four different songs with there back feet one is to attract female and repeal male very loudly. The second song is used for when female crickets are near and is quit.The third song is used after a brief period of mating. The four song is used for when after mating they send out small sound waves to detect any males are near so its like a defense mechanism.