[obol] Re: Is this a jaeger, or parasitic persuasion?

  • From: Bob Archer <rabican1@xxxxxxxxx>
  • To: OBOL <obol@xxxxxxxxxxxxx>
  • Date: Thu, 19 Nov 2020 19:09:31 -0800

The Grey-faced Petrel Jeff mentioned is same size and weight as a
Short-tailed shearwater.  Wing span a bit larger.

Bob Archer

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On Thu, Nov 19, 2020 at 6:13 PM Harry Fuller <atowhee@xxxxxxxxx> wrote:

updated post with more inpressions from original
observer/photographer...too big for petrel he thinks, sounds like a
shearwater so. at this point, not unexpected at this season at
that place along the coast

On Thu, Nov 19, 2020 at 6:07 PM Bob Archer <rabican1@xxxxxxxxx> wrote:

Hi:

Certainly would like to hear about flight style.  All I can say is any
rare petrel would probably be in wing molt now.

Bob Archer


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On Thu, Nov 19, 2020 at 4:51 PM Jeff Gilligan <jeffgilligan10@xxxxxxxxx>
wrote:

From Wikipedia:  "The breeding season for grey-faced petrels starts in
winter, with egg-laying commencing in late June.[
<https://en.wikipedia.org/wiki/Grey-faced_petrel#cite_note-Ibis1976-6>“

My earlier comment about this being well into the Austral spring is not
relevant, but it is close to winter, when the bird might be searching for a
nesting opportunity.

Jeff Gilligan





On Nov 19, 2020, at 3:27 PM, Harry Fuller <atowhee@xxxxxxxxx> wrote:

photo taken off jetty near Eureka, CA, this week

--
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
<_8503817-Edit-Edit.jpg>




--
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

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