Each year, services on St. Francis' feast day draw humans and animals alike to the Cathedral of St. John the Divine in New York. Lokman Vural Elibol/Anadolu Agency via Getty ImagesEach year, if you happen to be in New York around Oct. 4, you may catch sight of something unusual: a whole menagerie of animals being welcomed into the Cathedral of St. John the Divine, from spaniels and parrots to even the occasional camel or cow. Since the end of the 20th century, it has become more and more common