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If you live in the city, you ought to go up frequently to your roof and watch for the birds that fly over. If in one of our many cities near the water, you will have a chance that those in the country seldom have, of seeing the seabirds—the white herring gulls (the young gulls are brown, and look like a different species), as they pass over whistling plaintively, and others of the wild seafowl, that merely to hear and see in the smoky air of the city, is almost as refreshing as an ocean voyage. Then there are the parks and public gardens—never without their birds and, at the fall migrating time, often sheltering the very rarest of visitors.