The uncontrolled pigeon population has become a problem in some big cities including New York City. Pigeons flock to urban areas because man-made structures like traffic light posts are similar to their natural habitats except for the lack of natural predators. The birds have easy access to food littering the streets or handed out by feeders so they spend less time foraging and more time breeding. Pigeon control and cleaning of pigeon droppings are common problems in some big cities. The photos were taken on 8th Avenue in midtown Manhattan.