Sibley does mention the
"red crescent" but doesn't show it...gotta read the fine print
On Thu, Jan 17, 2019 at 5:59 PM Harry Fuller <atowhee@xxxxxxxxx> wrote:
The flicker has an iridescent red collar on the back of its neck...are
David Sibley and other field guide authors and I the only birders who never
noticed???
On my blog I show my blurry images thru a window and they "clearly" show
the collar that is some open secret in flickerdom;
https://atowhee.blog/2019/01/17/our-neighbors-visit-daily/
--
Harry Fuller
author of: *San Francisco's Natural History: Sand Dunes to Streetcars:*
https://ecowise.wordpress.com/2017/04/20/sfnh/
author of *Great Gray Owls of CA-OR-WA*:
https://ecowise.wordpress.com/2015/05/08/the-great-gray-owl-book/
author of *Freeway Birding*: *freewaybirding.com
<http://freewaybirding.com>*
birding website: http://www.towhee.net
my birding blog: atowhee.wordpress.com
