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| Mark B Bartosik | profile | all galleries >> From the field - current news photoblog >> Black Tern - juvenile Chlidonias n. surinamensis with niger hood pattern and other plumage variations | tree view | thumbnails | slideshow |
 Black Tern HY head patterns.jpg |
 Black Terns HY 081913.jpg |
 _MG_9436 Black Tern.jpg |
 _MG_9381 Black Tern HY.jpg |
 Black Tern_MG_9861 63 78 79 082213 WHITE FLANKS.jpg |
 Black Tern_1239 34 41 45 082213 HY.jpg |
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