| Citation | Mostello, C.S., N.A. Palaia and R.B. Clapp 2000 Gray-backed Tern (Sterna lunata). Seabirds In Poole, A. and Gill, G. (eds.), The Birds of North America. The Birds of North America, Inc., Philadelphia, PA. 525:. |
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| Ref. No. | 7110 |
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