• Prairie Dog Whistle
• Item Level 30Disenchants into:
  Not disenchantable
• Binds when used
• Use: Teaches you how to summon this companion.
• Sell Price: 12 50
• Vendor 50

Prairie Dog Whistle summons a ground squirrel‎ companion, Prairie Dog.

Source

Horde characters can purchase Prairie Dog Whistles from  Halpa in Thunder Bluff for 50.

Alliance characters will have to buy them through a neutral auction house.

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB