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Show TELL OF ENEMY'S APPROACH Certain Dlrds and Animals Make the Dest Kind of 8entlneli That an fl Army Can Employ. A wounded soldier, nsked what had surprised him roast In the bnttlo zone, BBV told of finding a robin's nest In nn HKV empty shell case. BV As a rule birds are tho finest sen-tlnels sen-tlnels In the animal kingdom. They bec'omo aware of approaching aircraft long before man bears anything. Barly BKV In tho war parrots were kept at Hi fl Eiffel tower as sentinels, but they Crew accustomed to tho sotind of en- HftV cmy planes and were no longer of use. Pheasants always grow restless and chatter noisily If Zeppelins nro np-preaching, np-preaching, even when they aro far away, so far that man can hear no What Is perhaps stranger Is tho fact that such ordinary creatures as pigs should sight n balloon v1ri It Is com-Ing com-Ing over. Tho. "blister" makes no sound, yet, should one appear against tho sky, miles from n farmyard, tho farmer will bo rondo nwaro of the fact by tho curious antics of his pigs and tho clucking of his bens. Toy dog always are susceptlblo to tho presence of danger, and many n pet shows uneasiness beforo a raid. Cats, too, show fear of gunflrn nnd seem to know when danger threatens. Dogs, birds and horses aro very sen-sltlvc sen-sltlvc to sound. Watch tho birds duo Ing a daylight raid, listen to tho dogs, nnd visit he stable where tho horso restively stamps up and down. But that all anlmnls can accustom them-selves them-selves to sounds thnt causo fear Is proved by our cavalry horses, dogs "H that accompany their masters Into tho IH firing lino, nnd tho robin's nest tn tho H empty shell case. |