Following the recent description of hybridisation between Lesser Crested Tern Sterna bengalensis and Sandwich Tern S. sandvicensis in the Albufera de Valencia, Spain (Dies & Dies 1998), observations during 1998 give further information on the coloration of hybrid bare-part colours. In 1998, for the fifth consecutive year, a Lesser Crested Tern (a female in this case) paired with a Sandwich Ter

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