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1-5 of 5
Keywords: perch
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Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2010) 213 (10): 1651–1658.
Published: 15 May 2010
...-distance free-flights between two perches. The greatest accelerations were observed during the second wingbeat of takeoff. The wings were responsible for the majority of acceleration during takeoff and landing, with the legs contributing only one-quarter of the acceleration. Parameters relating...
Includes: Multimedia, Supplementary data
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2007) 210 (21): 3862–3872.
Published: 1 November 2007
... understood, despite numerous snake species being arboreal. We quantified the kinematics and performance of corn snakes (Elaphe guttata) moving on seven cylinders (diameters 1.6–21 cm) with five inclines (horizontal, ±45° and±90°) and through horizontal tunnels of corresponding widths. When perches were...
Journal Articles
Take-off mechanics in hummingbirds (Trochilidae)
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Journal:
Journal of Experimental Biology
J Exp Biol (2004) 207 (8): 1345–1352.
Published: 15 March 2004
... of hummingbirds can provide novel insight into the take-off mechanics that will be required for micro-air vehicles. During take-off by hummingbirds, we measured hindlimb forces on a perch mounted with strain gauges and filmed wingbeat kinematics with high-speed video. Whereas other birds obtain 80–90...
Journal Articles
Branching out in locomotion: the mechanics of perch use in birds and primates
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Journal:
Journal of Experimental Biology
J Exp Biol (1999) 202 (11): 1459–1463.
Published: 1 June 1999
...Richard H. C. Bonser ABSTRACT Many animals use thin perches, such as the branches of trees, as locomotory substrates. In this paper, I have reviewed the literature concerned with measurements of locomotory forces made by birds and primates on thin and flexible substrates. Through a knowledge...
Journal Articles
Critical Swimming Speeds of Yellow Perch Perca Flavescens : Comparison of Populations from a Naturally Acidic Lake and a Circumneutral Lake in Acid and Neutral Water
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Journal:
Journal of Experimental Biology
J Exp Biol (1989) 145 (1): 239–254.
Published: 1 September 1989
...Jay A. Nelson ABSTRACT The objectives of this study were to determine if environmental acidity reduces swimming performance in the acid-tolerant yellow perch (Perca flavescens) and to use swimming performance as an indicator of fitness in testing whether fish from naturally acidic environments...