A Spider Tailed Horned Viper (Pseudocerastes urarachnoides) has a bump on its tail plus specialized scales that look very much like a juicy spider. It uses its tail to lure in insectivorous birds within striking distance. It is endemic to western Iran.
RIP Gallagher
Ukraine/Russia
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In case you're wondering what the Persian phrases above mean, they are:
"I don't know"
"I don't speak Finnish"
"sauna"
"Don't stand so close to me"
"Punch Twist in the face"
Persian
OUR CRUMBLING DEMOCRACY
PRO
Mimic
ELSEWHERE IN COLLEGE
CAL
11 + 11 = 22