Chroicocephalus
Encyclopedia
Chroicocephalus is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of medium to relatively small gull
Gull
Gulls are birds in the family Laridae. They are most closely related to the terns and only distantly related to auks, skimmers, and more distantly to the waders...

s which were once included in the genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Larus
Larus
Larus is a large genus of gulls with worldwide distribution . Many of its species are abundant and well-known birds in their ranges...

. Some authorities also include the Saunders's Gull
Saunders's Gull
Saunders's Gull is a species of gull in the Laridae family.It is found in China, Hong Kong, Japan, North Korea, South Korea, Macau, Russia, Taiwan, and Vietnam....

 in Chroicocephalus. The name is derived from the Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 chroa (colour) and cephalus (head).

Species

  • Silver Gull
    Silver Gull
    The Silver Gull also known simply as "seagull" in Australia, is the most common gull seen in Australia. It has been found throughout the continent, but particularly coastal areas. The South African Hartlaub's Gull and the New Zealand Red-billed Gull The Silver Gull (Chroicocephalus...

    , Chroicocephalus novaehollandiae
  • Red-billed Gull
    Red-billed Gull
    The Red-billed Gull , once also known as the Mackerel Gull, is a native of New Zealand, being found throughout the country and on outlying islands including the Chatham Islands and Sub-antarctic islands.The Māori name of this species is Tarapunga or Akiaki...

    , Chroicocephalus scopulinus
  • Hartlaub's Gull
    Hartlaub's Gull
    The Hartlaub's Gull or King Gull, is a small gull, which is a non-migratory breeding resident endemic to the Atlantic Ocean coastline of South Africa and Namibia. Although it is predominantly coastal or estuarine, it is not a pelagic species, and is rarely seen at sea far from land...

    , Chroicocephalus hartlaubii
  • Saunders's Gull
    Saunders's Gull
    Saunders's Gull is a species of gull in the Laridae family.It is found in China, Hong Kong, Japan, North Korea, South Korea, Macau, Russia, Taiwan, and Vietnam....

    , Chroicocephalus saundersi
  • Brown-hooded Gull
    Brown-hooded Gull
    The Brown-hooded Gull is a species of gull in the Laridae family. As is the case with many gulls, it has traditionally been placed in the genus Larus....

    , Chroicocephalus maculipennis
  • Grey-headed Gull
    Grey-headed Gull
    The Grey-headed Gull is a small gull which breeds patchily in South America and Africa south of the Sahara. It is not truly migratory, but is more widespread in winter. This species has occurred as a rare vagrant to North America and Spain. It is also known as the Grey-hooded Gull...

    , Chroicocephalus cirrocephalus
  • Andean Gull
    Andean Gull
    The Andean Gull is a species of gull in the Laridae family. As is the case with many gulls, it has traditionally been placed in the genus Larus.It is found in Argentina, Bolivia, Chile, Colombia, Ecuador, and Peru....

    , Chroicocephalus serranus
  • Black-billed Gull
    Black-billed Gull
    The Black-billed Gull is a species of gull in the Laridae family.It is endemic to New Zealand. As is the case with many gulls, it has traditionally been placed in the genus Larus, but is now considered to be the genus Chroicocephalus...

    , Chroicocephalus bulleri
  • Brown-headed Gull
    Brown-headed Gull
    The Brown-headed Gull, Chroicocephalus brunnicephalus, is a small gull which breeds in the high plateaus of central Asia from Turkmenistan to Mongolia. It is migratory, wintering on the coasts and large inland lakes of tropical southern Asia...

    , Chroicocephalus brunnicephalus
  • Black-headed Gull
    Black-headed Gull
    The Black-headed Gull is a small gull which breeds in much of Europe and Asia, and also in coastal eastern Canada. Most of the population is migratory, wintering further south, but some birds in the milder westernmost areas of Europe are resident...

    , Chroicocephalus ridibundus
  • Slender-billed Gull
    Slender-billed Gull
    The Slender-billed Gull, Chroicocephalus genei, is a mid-sized gull which breeds very locally around the Mediterranean and the north of the western Indian Ocean on islands and coastal lagoons. Most of the population is somewhat migratory, wintering further south to north Africa and India, and a...

    , Chroicocephalus genei
  • Bonaparte's Gull
    Bonaparte's Gull
    The Bonaparte's Gull is a small gull.The Bonaparte's Gull is a small species, larger only than the Little Gull and the Saunders's Gull among all gull species. Adults are long with a wingspan and a body mass of . They have a black hood and a short thin dark bill. The body is mainly white with...

    , Chroicocephalus philadelphia
  • Huahine Gull
    Huahine Gull
    The Huahine Gull , also known as the Society Islands Gull, is an extinct bird, a species of gull of which subfossil bones were found at the Fa'ahia archeological site on Huahine, in the Society Islands of French Polynesia....

    , Chroicocephalus utunui
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