Studies of the Effects of Sonic Boom on Birds
Final rept. 1 Mar-15 Aug 1973
BUREAU OF SPORT FISHERIES AND WILDLIFE SEATTLE WA WESTERN FISH DISEASE LAB
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A field study was carried out near Glen Rose, Texas to try to discover if occurrence of sonic booms created by overflying aircraft was adversely affecting reproduction of wild birds. Several measures of reproduction success in mourning doves, mockingbirds, cardinals, and lark sparrows were compared between a test area and a control area. The test area was subject to sonic boom occurring two or three times a week the control area was essentially free from sonic boom disturbance. In the final analysis, the authors could find no evidence that sonic boom disturbance affected phases of bird reproduction studies in the program. Studies of the effects of pressure on growth, reproduction and mortality of bobwhite quail were made in the laboratory with equipment designed to deliver pressure treatments under controlled conditions. Results of these experiments showed that the pressures had no effects on hatching success, growth rates, or mortality.
- Stress Physiology