Avitech Avicalm 4oz Plus Featheriffic 3oz - BUNDLE Avicalm and Featheriffic Supplement for bird care Avicalm is used for screamers, nervous or aggressive birds and for behavior related feather pickers and chewers Featheriffic can help grow healthy parrot feathers for all size birds Sprinkle AviCalm and Featheriffic on top of pellets, fresh food or seed