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Keywords: Flight speed
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Journal Articles
J Exp Biol (2019) 222 (4): jeb176396.
Published: 26 February 2019
... for migration. Here, we examined the energetic cost and flight speed of the long-distance migratory Nathusius’ bat ( Pipistrellus nathusii ). We measured flight metabolism in relation to airspeed in a wind tunnel, inferred the optimal traveling speed over long distances, i.e. maximum range speed, and compared...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (7): 1051–1059.
Published: 1 April 2015
... shown that when bumblebees encounter sudden changes in the proximity to nearby surfaces – as indicated by a change in the magnitude of optic flow on each side of the visual field – they adjust their flight speed well before the change, suggesting that they measure optic flow for speed control at low...
Journal Articles
J Exp Biol (2011) 214 (3): 412–421.
Published: 1 February 2011
...@nipr.ac.jp ) 7 10 2010 © 2011. 2011 accelerometer blue-eyed shag data logger flight speed GPS tracking power curve Air and water have drastically different physical properties, and hence animals capable of moving in both media are expected to face evolutionary trade-offs...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2010) 213 (10): 1625–1632.
Published: 15 May 2010
... bumblebee flight control flight speed ground speed vision For safe and reliable navigation, flying insects require information about their current position, speed and orientation in space and information about the proximity of surfaces in their environment. This information is extracted...
Journal Articles
Journal Articles
J Exp Biol (2003) 206 (16): 2803–2829.
Published: 15 August 2003
... effects are calculated using adjusted sums of squares, with only the main effects included in the model. For subsonic fixed-wing aircraft, the aerodynamic forces and moments vary quadratically with flight speed and linearly with angle of attack only up to the stall point. Linear approximations can...
Journal Articles
J Exp Biol (1999) 202 (15): 2029–2039.
Published: 1 August 1999
... flight speed. The mean wingbeat frequency during powered climbing flight was 4.68 Hz, which was used to estimate the mass-specific muscle work. When falcons were leaving the colony for offshore hunting, they gained altitude by slope-soaring when there was an onshore wind. We formulated a simple criterion...
Journal Articles
J Exp Biol (1999) 202 (14): 1917–1930.
Published: 15 July 1999
...York Winter ABSTRACT Aerodynamic theory predicts that minimum power ( V mp ) and maximum range ( V mr ) flight speeds increase when the body mass of an individual animal increases. To evaluate whether foraging bats regulate their flight speed within a fixed speed category relative to V mp or V mr...
Journal Articles
J Exp Biol (1995) 198 (8): 1665–1672.
Published: 1 August 1995
...R. D. Stevenson; Kathleen Corbo; L. B. Baca; Quang D. Le ABSTRACT Flight speeds and behaviors of the sphinx moth Manduca sexta were recorded in chambers of four different sizes (0.57, 8.5, 44 and 447 m 3 ). Mean horizontal speed increased linearly with the cube root of chamber volume from 0.57 m s...
Journal Articles
J Exp Biol (1989) 147 (1): 111–124.
Published: 1 November 1989
...Wolfram Zarnack; Michael Wortmann ABSTRACT Locusts were fastened to a force transducer in front of a wind tunnel to measure their lift and thrust during tethered flight heading into the wind. The thrust measurement was used to adapt the wind speed to the flight speed of the animals. Thus...