[Excerpts from online regulations]
Upland Game Animals–Cottontail Rabbits and Snowshoe Hares
p. 1, Unlawful Methods of Take
“No person shall take upland game animals by the use or aid of any electronic call.”

Upland Game Birds p. 1, Unlawful Methods of Take
“No person shall take upland game birds by the use or aid of any electronic call.”

Idaho 2006 Big Game Rules p. 16, REMINDER: General Wildlife Laws, Electronic Calls
“No electronic calls may be used to attract big game for the purpose of harvest EXCEPT such calls may be used to attract mountain lions in Big Game Units 41 and 42.”

[Overview]
Idaho prohibits the use of electronic wildlife callers for game animals and game birds. There are no listed restrictions for the use of electronic wildlife callers for nongame species. Restrictions for use of mechanical and electronical decoys are on raccoon, crow, turkey, migratory game birds, deer, elk, and moose.