Chickens 2012 Calendar. Believe it or not, there are more Chickens in the world than any other kind of bird! At the last count, that was more than 8,000 million! Domestic Chickens as we know them were originally bred from the wild red jungle fowl of India and Southeast Asia. This wonderful Chickens 2012 Calendar features 12 illustrations of our favourite domesticated breeds and is certain to prove a ‘poultry’ hit amongst farmers, small holders and chicken lovers alike!