Haydels Predator Javelina. South Texas field test have been superb. The most exciting way to hunt these aggresive little animals. Specifications for Haydels J89 Predator Javelina: Mfg Item Num: J89 Supplier SKU: 81037 Category: GAME CALLS Type: Hog Call Species: Javelina Material: Acrylic Battery: None The Haydels J89 Predator Javelina is a quality addition to the Haydels lineup. For more great deals on Game calls on sale and available for your next hunting trip by Haydels please browse our Haydels Hunting Gear page.