What is the main symbol of st John the Baptist?

Answer 1

an eagle according to my research.

Answer

The Astronomical symbol Aquarius the water bearer.

The answer is actually that he has many symbols, the chief being:
The Head, the Lamb, the Shell [for Baptism], the Holly [for the Passion of Christ which he prefigured], the Maltese Cross, the Reed, from which his own cross was made, the Grasshopper and Camel's Hair. This came from http://www.catholictradition.org/Passion/john-baptist.htm I found this answer while researching for a crossword puzzle in which the answer in the puzzle was lamb.

Answer 2

Generally speaking, it is a lamb with a cross. The Catholic Encyclopedia says, in part, "From the fifth century the head of the lamb began to be encircled by the nimbus. Several monuments also show the lamb with its head surmounted by various forms of the Cross; one monument......shows the lamb with the Cross on its back."

Answer 3

an eagle (the sign of courage)

Answer 4

the answer is eagle

Answer 5

a dove

Answer 6

Lambs.