Unidentified Sterna sp. ?StillImageDrawing depicting: Unidentified Sterna sp. ?Tracing on tissue. Principal bird, plus 2 at a distance on a rock. Rather like a tern, with a very long tail (12 cm beyond the primaries; entire bird 50cm); the drawing suggests that the head is more completely hooded than most ternsku-gould:18287https://digital.lib.ku.edu/ku-gould/18287Gould 2044OrnithologyOrnithological illustrationelectronicimage/tiffThis work is free of known copyright restrictions.