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Keywords: Apus apus
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Journal Articles
J Exp Biol (2011) 214 (3): 382–393.
Published: 01 February 2011
...P. Henningsson; A. Hedenström SUMMARY Gliding flight performance and wake topology of a common swift ( Apus apus L.) were examined in a wind tunnel at speeds between 7 and 11 m s –1 . The tunnel was tilted to simulate descending flight at different sink speeds. The swift varied its wingspan, wing...
Journal Articles
J Exp Biol (2008) 211 (5): 717–730.
Published: 01 March 2008
...P. Henningsson; G. R. Spedding; A. Hedenström SUMMARY In this paper we describe the flight characteristics of a swift ( Apus apus ) in cruising flight at three different flight speeds (8.0, 8.4 and 9.2 m s –1 ) in a low turbulence wind tunnel. The wingbeat kinematics were recorded by high-speed...
Journal Articles
J Exp Biol (2002) 205 (7): 905–910.
Published: 01 April 2002
... the DFT analysis. As a control, we applied DFT analysis to 12 long trackings of climbing helium balloons, using the same criteria as for the analysis of bird trackings, and found no significant frequency components. We observed swifts Apus apus (L.) in roosting nocturnal flights using a...