A GPS whale tag from John Calambokidis and his research team.
Suction cup whale tag as used by John Calambokidis.
A suction cup whale tag with antenna, as used by John Calambokidis in his whale tracking research.
A GPS whale tag from John Calambokidis and his research team.
A GPS whale tag from John Calambokidis and his research team.
A GPS whale tag from John Calambokidis and his research team.
See photo in original gallery.