Cockatiels singing Jingle Bells

Lori, the nice christmas singer. (En español más abajo) He is a male cockatiel, and you can see in the video how is singing the popular carol Jingle Bells. He imitates my vibratto while whistling, not only a continuous tone. We taught this bird on the basis of no food reward for his work, only giving caress all the time. This was enough for him. The procedure for teaching was repeat, repeat and repeat. They learn imitating. He was always very interested, and, in a few days, started to reproduce some n