I am trying very hard to target train both my IRNs who are about 6months old now and both females. I separate them now when doing this due to others advice. My problem is.....I use a chop stick and a clicker. Both my birds will bite the chopstick wherever I place it, I click and then offer them a food treat. They either ignore it all together (despite being hungry) or take it and drop it instantly!! Is this normal? Should I continue to persevere, it's been about 4 weeks now!