Image: Hummingbird wake Pengo
Size of this PNG preview of this SVG file: 418 × 599 pixels. Other resolution: 167 × 240 pixels.
Original image (SVG file, nominally 680 × 975 pixels, file size: 32 KB)
Description: A trail of wake vortices generated by a hummingbird's flight. Discovered after training a bird to fly through a cloud of neutrally buoyant helium-filled soap bubbles and recording airflows in the wake with stereo photography. Ref: Rayner, J.M.V. 1995. Dynamics of vortex wakes of flying and swimming vertebrates. J. Exp. Biol. 49:131-155.
Author: Peter Halasz (Pengo at English Wikipedia=
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes
Image usage
The following page links to this image:
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise.
