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Old Tuesday 11th August 2009, 21:55   #1
David Norgate
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Florida Terns

Is it possible to be sure on the id of these species of tern?


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Old Wednesday 12th August 2009, 00:34   #2
njlarsen
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It looks like you got three sizes of tern. The largest one reminds me of Royal; the middle one is most likely either Forsters or Common, I cannot tell from this image (maybe if you can produce a crop only containing that bird); and the smallest one would by size alone be a Least I am guessing.

Of course, there also is a laughing gull in the image (two in the other)

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Old Wednesday 12th August 2009, 00:58   #3
David Norgate
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Those were my thoughts. Other Forster's I saw were already in winter (basic?) plumage, so I did wonder about Common.

Corp included, but probably not much use!
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Old Wednesday 12th August 2009, 01:30   #4
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I still cannot tell from the image. The different plumage may not be that important, for example first year birds (juveniles) will look much more like adult winter than adult summer.

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