Exact(17)
Stewart, M. J. & Vanderberg, J. P. Malaria sporozoites leave behind trails of circumsporozoite protein during gliding motility.
Recently, Full and his students discovered that geckos use their tails to remain upright in midair, stabilize their body during leaping and even steer during gliding.
This may reflect either a multidirectional stress regime or elevated torsional loading experienced during gliding and soaring as opposed to the directionally confined stresses associated with flapping12.
Four hunting techniques have been observed for Ridgway's Hawk: still hunting from perches; hang-searching during gliding flight; foot-thrusting; and a direct stoop from soaring (Wiley and Wiley 1981).
This may have been used as an aerodynamic stabilizer and rudder during gliding and/or powered flight (see "Flight and gliding" below).
In the study of Baudinette and Schmidt-Nielsen [4], it is possible that the conditions of the wind tunnel, namely the small test section that was only slightly wider than the birds' wingspan, and the relatively turbulent flow of air, resulted in elevated MR during gliding, and during the measurements the birds often extend their feet to land (B. Pinshow, personal observations).
Similar(43)
Heart beat frequency during flapping flight was 2.2 to 2.5 times higher than that during soaring, gliding or resting.
Because in both cases (aligned and non-aligned microtubule sliding) the tail domain is present, we argue that the absence of the tail domain cannot explain the increased velocities and generated forces during microtubule gliding.
The heading angle of the glider is adjusted during the gliding to minimize the moving distance.
He also proposed that birds spend about 1.5 times their BMR during soaring and gliding because the energy cost of muscle tension to maintain wing posture during soaring or gliding is about half the BMR.
An experiment was conducted capturing optical flow information during flapping and gliding flight on the same platform.
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