Definition of sheathbill in English:

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Pronunciation: /ˈʃiːθbɪl/


A mainly white pigeon-like 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.

For editors and proofreaders

Line breaks: sheath|bill

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