Herring Gull Larus a. smithsonianus

Adults - DECEMBER

3rd molt cycle 2nd molt cycle 1st molt cycle

No. 1

December 14, 2005 Franklin's Cove Tullytown, Bucks Co. PA

A very lightly streaked individual

 

No. 2

December 14, 2005 Franklin's Cove Tullytown, Bucks Co. PA

A fairly average individual in terms of head streaking

 

No. 3

December 17, 2005 Franklin's Cove Tullytown, Bucks Co. PA

Showing variation in streaking on head, nape and breast. Also note difference in leg color

 

No. 4

December 14, 2005 Franklin's Cove Tullytown, Bucks Co. PA

Note the pale yellow legs with pinker feet on this bird. A pattern seen on several birds this day. Iceland Gull behind.

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No. 5

December 14, 2005 Franklin's Cove Tullytown, Bucks Co. PA

The pink legs and apparently dark eye suggest Thayer's but the underside of the far primary is dark

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