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sheathbill Syllabification: sheath·bill
Pronunciation: /ˈSHēTHˌbil/

Definition of sheathbill in English:


A mainly white pigeonlike bird with a horny sheath around the base of the bill, breeding on the coasts of sub-Antarctic islands and feeding by scavenging.
  • Family Chionididae and genus Chionis: two species
Example sentences
  • Some species such as skuas (Catharacta spp.), jaegers (Stercorarius spp.), and sheathbills (Chionis spp.) are considered obligate kleptoparasites, particularly during the breeding season or on migration.
  • In addition to sheathbills, he worked on albatrosses, petrels, penguins, and terrestrial invertebrates.
  • One group is studying kelp gulls, south polar skuas and sheathbills and another group is studying Adelie penguins.
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