Genus Gygis
White terns comprise the two species of terns in the genus Gygis. The best known (and formerly only) species in the genus is the common white tern.[1] The little white tern (Gygis microrhyncha), previously considered a subspecies of the white tern (Gygis alba microrhyncha), is now recognised as a second species of white tern.[2]
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2 related taxa: