Tomkins (1963) wrote of his surprise on learning that Royal terns Thalasseus maximus and Caspian terns Hydroprogne caspia are both capable of skimming behaviour, even though they lack the many unusual features present in Rynchops. From Wordnik.com. [Archive 2006-04-01] Reference
Describing the Asian azhdarchid Azhdarcho, Nesov (1984) was the first to propose a radically different hypothesis: that these pterosaurs might have behaved like Rynchops, the skimmers. From Wordnik.com. [Archive 2006-04-01] Reference
While azhdarchids may well have been skilled at fast, level flight (as is Rynchops), this lifestyle does not explain the probably proficient terrestrial abilities present in azhdarchids. From Wordnik.com. [Archive 2006-04-01] Reference
Skimmer, Black Rynchops niger 56. From Wordnik.com. [The Field Guide to Wildlife Habitats of the Eastern United States] Reference
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