Various, The Journal of the Maine Ornithological Society…
“ Seeds and sand he will not notice, but pecks regularly at the cuttlefish in his cage. When hungry he announces it in shrill staccato whistles, but when his hunger is satisfied, he will seek an upper perch and preen his feathers, and often sing to us in a soft, sweet whistle, which seems full of love, confidence and content, though it may have a shade of vague regret. ”
