It is commonly stated that the natural food ... parrot is on the tops of Alpine ranges, owners of sheep and shepherds who in winter and summer search the mountain tops for their stock, are the men ...
THREE parts of this well-ilustrated work on parrots kept in captivity have already ... The directions given as to their food seem based on practical experience, and will be welcome to some who ...
The work of Professor Irene Pepperberg of the University of Arizona, Tucson, has now shown the general perception of parrots as mindless ... exploit a wide range of foods, he is investigating ...