Date: 5/4/19 8:16 pm From: Peter Pyle <ppyle...> Subject: Re: [SFBirds] Possible Black-tailed Gull Lake Merced Boathouse
I've done some research and can't find close matches with second-cycle Black-tailed so will re-identify it in eBird as Gull sp. The back still looks dark to me for CAGU and I'd like to find one with a tail pattern like this bird has. Both species at this age are of course extremely variable, which makes it but fun and a challenge. Comments on specific identification criteria, pro and con, still welcomed.
At 07:48 PM 5/4/2019, Alvaro Jaramillo wrote: >Peter > It is a California Gull with a deformed bill. >Alvaro > >Alvaro Jaramillo ><alvaro...> >www.alvarosadventures.com > >-----Original Message----- >From: <SFBirds...> <SFBirds...> On Behalf Of Peter Pyle >Sent: Saturday, May 4, 2019 6:13 PM >To: <SFBirds...> >Subject: Re: [SFBirds] Possible Black-tailed Gull Lake Merced Boathouse > ><https://ebird.org/view/checklist/S55815948>https://ebird.org/view/checklist >/S55815948 > > >comments welcome on photos. P > >At 05:30 PM 5/4/2019, Peter Pyle via Groups.Io wrote: > >Just getting a quick word out. It's a second-cycle bird with a big long > >bill - thought it was a deform-billed CAGU but now that I'm looking at > >my photos the darker back and tail pattern may point more to > >Black-tailed. Will post photos to eBird. It was on the western of the > >three docks, the wide trex one. I flushed it to get flight shots but it > >pulled around and landed back on the dock with about 25 WEGUs. Also the > >continuing Palm Warbler in the myopoum at the top of the pull-out hill. > > > >This is in Lake Merced Park along Harding Road to the entrance of > >Harding Park golf course, north end of south arm of Lake Merced. > > > >Cheers, Peter > > > > > > > > > > > >--- >This email has been checked for viruses by AVG. >https://www.avg.com
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