Show Use Ve Shotguns to Frighten Noisy Birds From Roost A shotgun loaded with Mack black powder powder pow pow- der Iter shells which make a loud noise Is recommended by the bureau o of biological survey for tor driving birds away away from roosts roots when their noise and filth become n II nuisance Blackbirds starlings cowbirds and l English sparrows congregate and establish roosts usually lal late In Inthe Inthe inthe the summer Thousands of birds may gal gather her In n R single tree Guns are most effective It If used early In the evening when the birds first appear Then they are more easily frightened After Atter darkness they move only a few yards when the guns ar are are used Shells carrying N o No 0 8 or No 8 S shot and loaded win black lack powder are recommended for for fo noise Shooting Into the roosts five or six sir evenings may mayy be necessary In n cases castS where large roosts 1 have hit been established In smaller cities and communities the use line of ot shotguns shot shot- guns runs usually Is not forbidden by bl local ocal regulations Roman candles or streams of ot war wa- wa water a. a ter r from a hose hOlle ma may be effective In It localities where bere the use of firearms Is s prohibited Electric lights or bells In n trees where the birds bird roost often drive them away P Protected species such as robins and purple martins som sometimes establish establish es es- roosts but do not become a I areat great reat nuisance |