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Subject: Confusing black backed gulls
Hi all:
With just two days to go to the St. Pete Christmas Bird Count I scouted the bridges north of the Sunshine bridges on I-275 to see what gulls were there – especially looking for the black backed gull that hang out in the area..
This is for all you gull experts out there. I have tentatively identified the black backed gull as a Lesser. The only other choice is a Greater. The problem is that the head & neck is very whitish and unmarked. whereas this would make it a Greater. The legs look yellowish in coloration. There was a Herring Gull that I threw for comparison it obviously has pinkish or flesh colored legs. I guess sometimes these plumage can be out of season.
The following links lead to the pix that I took this morning:
Lesser Black-backed Gull
http://www.flickr.com/photos/9062150@N07/3118649880/
http://www.flickr.com/photos/9062150@N07/3118649790/
http://www.flickr.com/photos/9062150@N07/3117822221/
http://www.flickr.com/photos/9062150@N07/3117822109/
http://www.flickr.com/photos/9062150@N07/3118650284/
http://www.flickr.com/photos/9062150@N07/3118650208/
Herring Gull
http://www.flickr.com/photos/9062150@N07/3117821805/
Happy birding!
David Laliberte
St. Pete, FL
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