Re: [OM] Departure

[Paul Laughlin]

Thanks, Moose.  That is what I thought was happening, but I was not 
sure.  Even the Sibley book shows both the dark color and the red for 
the male bird.  It almost looks like the bird can ruffle those feathers 
and make it happen. I don't catch the bright red in very many frames. VBG
Paul in Portland OR

On 9/24/2014 9:51 PM, Moose wrote:
> On 9/24/2014 11:58 AM, Paul Laughlin wrote:
> > Hey Moose, what can you tell me about the changing color of the neck
> > and head feathers of the adult male Anna's?  They can change from
> > dark, almost black to bright red from one frame to the next when
> > shooting 3 frames per second bursts. Fascinating
> It's because the color is not from simple reflection from a colored
> surface, but by iridescence from the structure of the feathers.
> <http://en.wikipedia.org/wiki/Iridescence>
>
> The slightest movement of the head may change the color.
>
> Flashy Moose
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/