Caption Pigeons eating crumbs at an outdoor cafe in Union Square, San Francisco
Keywords Aggression, Aggressive, Al fresco, America, Bird, CA, Cafe, California, City life, Coffee, Color, Colour, Compete, Competition, Crumbs, Eat, Eating, Feed, Feeding, Hunger, Hungry, Leftovers, Opportunistic, Opportunity, Pest, Pigeon, Plate, Rats with wings, Rock dove, San Francisco, Scavenger, Scraps, Tea, Territorial, Union Square, United States of America, Urban, US, USA
