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Show Eats a Thousand Bugs. A cliff swallow will eat a thousand flies, mosquitoes, wheat-midgets or beetles that Injure fruit trees in a day and therefore are to be encouraged, says the American Forestry association, associa-tion, of Washington, which is conducting con-ducting the nation-wide campaign among school children for bird-house building. This bird is also known as the cave swallow because it plasters Its nest on the outside of a barn or other building up under the eaves. Colonies of several thousand will build their nests together on the side of a cliff. These nests shaped like a flattened flat-tened gourd or water-bottle are made of bits of clay rolled into pellets and lined with straw or feathers. This bird winters in the tropics. |