Rocky Mountain Calls&'; A(R) Cottontail Distress Call produces irresistible medium raspy sounds that bring predators in close. Wounded rabbit noises are effective on bobcat, coyote, bear, wolf and mountain lion. Compact call comes with a removable internal voice for simple cleaning and replacement. Black rubber end cap lets you know the right end to blow on. Irresistible medium raspy cottontail sounds Effective on wolf, coyote, bobcat and more Removable internal voice for easy cleaning.