Herring Gull Larus argentatus smithsonianus (assumed)

1st cycle - March

2nd molt cycle 3rd molt cycle Adult

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No. 1

Falls Twp Park, Bucks PA March 4, 2006

a pale Glaucous-like individual
FallsTwp3406-038.jpg  

No. 2

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

A nice example of the emarginated tips to P5-7 which I believe are diagnostic of juvenile primaries.

PennW311063195.jpg  

No. 3

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

PennW311063188.jpg  

No. 4

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

sitting bird is 1st cycle standing bird is 2nd cycle

PennW311063174.jpg  

No. 5

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

a very relaxed bird

PennW311063162.jpg  

No. 6

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

Several birds were posing like this. I think it may be a submissive posture
PennW311063164.jpg  

No. 7

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

pale bird
PennW311063157.jpg  

No. 8

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

PennW311063155.jpg  

No. 9

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

somewhat LBBG-like in shape & size

PennW311063116.jpg  

No. 10

Power Boat Cove, Penn Warner Club, Bucks PA March 11, 2006

Note broad banding on under-tail

PennW311063108.jpg  
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