Just looking at the wowhead link could it be this?
http://www.wowhead.com/npc=73780/pri...serpent#sounds
http://www.wowhead.com/sound=27077/m...t-mountspecial
Code:
sound/creature/pandarenserpent/mon_pandarenserpent_mountspecial_01.ogg
sound/creature/pandarenserpent/mon_pandarenserpent_mountspecial_02.ogg
sound/creature/pandarenserpent/mon_pandarenserpent_mountspecial_03.ogg