North American Birds

VOLUME 69 NO2 2016

A Quarterly Journal of Ornithological Record Published by the American Birding Association. The mission of the journal is to provide a complete overview of the changing panorama of our continent’s birdlife.

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Page 9 of 139

Figure 11. In adult Collared and Oriental Pratincoles, the pattern of black and white in the outermost rectrices can be useful for identification, but in shorter-tailed juveniles, there are no known differences between the species in this feature. Photograph by Anthony Levesque. Fig. 11 184 N O R T H A M E R I C A N B I R D S C O L L A R E D P R AT I N C O L E S AT G U A D E LO U P E

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