Salt Lake Herald-Republican | 1890-02-16 | Page 4 | Speed and Power of Birds

SPEED AND POWER OF BIRDS The vulture is said t fly at times at the rate of above 100 miles an hour The wilJ goose and the swallow in their migrations make 90 miles an hour The power exerted by the eagle in full flight is but a fraction of one horsepower horse-power The common crow ordinarily lounges across country at the rate of 23 miles an hour the speed of a railway tin The carrier pigeon has flown long distances dis-tances at rates of speed ranging from COup CO-up to 80 miles a hour and for many hours together Tho power exerted by a pigeon flying i 2300 feet per minute 2 miles an hour nearly at 1200 of a horse power per pound or 9 horsepower for a flying machine ma-chine of equally good form weighing one ton at 23miles an hour or about 50 I horse power per ton weight at 50 miles The pelican has an expenditure of 111 horse power by 21 pounds of bird and this is pne horse power to 281 pounds or about horse power for the weight of a man allowing ample margin for surplus power Tho birds ire found to have a surplus lifting power of about onehalf The Forum