Why do birds have tails? The tail as a drag reducing flap, and trim control

Journal of Theoretical Biology

Volumn 183, Issue 3, 1996, Pages 247-253

  Thomas, Adrian L R ^a,b  

^a LUND UNIVERSITY   (Sweden)

^b UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL ANATOMY; ARTICLE; BIOPHYSICS; BIRD; FLYING; FORELIMB; MODEL; NONHUMAN; PRIORITY JOURNAL; TAIL;

ANIMALIA; AVES;

EID: 0030574425     PISSN: 00225193     EISSN: None     Source Type: Journal    
DOI: 10.1006/jtbi.1996.0218     Document Type: Article

References (17)

1. ANDERSON, J. D. (1991). Fundamentals of aerodynamics. New York: McGraw-Hill.
2. BALMFORD, A., THOMAS, A. L. R., & JONES, I. L. (1993). Aerodynamics and the evolution of long tails in birds. Nature 361, 628-630.
3. BALMFORD, A., JONES, I. L., & THOMAS, A. L. R. (1994). How to compensate for sexually-selected tails: the evolution of sexual dimorphism in wing length in long-tailed birds. Evolution 48, 1062-1070.
4. BUTLER, G. F. (1982). Effect of downwash on the induced drag of canard-wing combinations J. Aircraft 19(6), 410-411.
5. HUMMEL, D. (1992). Aerodynamic investigations on tail effects in birds. Zeitschrift für Flugwissenschaften Weltraumforsch 16, 159-168.
6. KATZ, J., & PLOTKIN, A. (1991). Low-speed Aerodynamics From Wing Theory to Panel Methods. New York: McGraw Hill.
7. KENDALL, E. R. (1985). The theoretical minimum induced drag of three-surface airplanes in trim. J. Aircraft, 22(10), 847-854.
8. KROO, I. M. (1982). Minimum induced drag of canard aircraft. J. Aircraft, 19(9), 792-794.
9. LIGHTHILL, J. (1975). Aerodynamic aspects of animal flight. In: Swimming and Flying in Nature (T. Y. Wu, C. J. Brokaw & C. Brennen, eds) New York: Plenum press.
10. LAITONE, E. V. (1978a). Ideal tail load for minimum aircraft drag. J. Aircraft, 15(3), 190-192.
11. LAITONE, E. V. (1978b). Positive tail loads for minimum induced drag of subsonic aircraft. J. Aircraft, 15(12), 837-842.
12. NAYLOR, C. H. (1946). Notes on the induced drag of wing-tail combinations. British R & M 2528 July 1946.
13. NORBERG, U. M. (1989). Vertebrate Flight: Mechanics, Physiology, Morphology, Ecology and Evolution. Heidelberg: Springer Verlag.
14. PENNYCUICK, C. J. (1975). Mechanics of flight. In: Avion Biology Vol 5, (Farner D. S & King J. R. eds) pp 1-75. London: Academic Press.
15. THOMAS, A. L. R. (1993). On the aerodynamics of bird's tails. Phil. Trans. Roy. Soc. Lond. B. 340, 361-380.
16. THOMAS, A. L. R., & BALMFORD, A. (1995). How natural selection shapes bird's tails. Am. Nat. 46, 848-868.
17. Tucker, V. A. (1992). Pitching equilibrium, wing span and tail span in a gliding Harris' Hawk, Parabuteo unicinctus. J. Exp Biol. 165, 21-43.