[EBB Sightings] Aerobatic Crows

	<001101c696d3$c1980870$0301a8c0 at Nov212005>

On Fri, 23 Jun 2006 07:46:05 -0700, "Tom Nemeth" 
wrote:

>They were aileron rolls, not barrel rolls. An aileron roll occurs on only
>the x axis.  A barrel roll is a maneuver that takes place in all three -
>like a cork screw.  The terms are not interchangeable - just as Crow and
>Raven are not interchangeable. 

Oops!  My mistake.  You are absolutely right; Common Ravens do aileron
rolls, not barrel rolls.


-- 
Joseph Morlan, Pacifica, CA 94044   jmorlan (at) ccsf.edu 
Fall Birding Classes start Sept 6   http://fog.ccsf.edu/~jmorlan/
California Bird Records Committee   http://www.wfo-cbrc.org/cbrc/