Gull-billed Tern

Gelochelidon nilotica - Sterne hansel

Systematics
  • Order 
    :

    Charadriiformes

  • Family
    :

    Laridés

  • Genus
    :

    Gelochelidon

  • Species
    :

    nilotica

Descriptor

Gmelin, JF, 1789

Biometrics
  • Size
    : 43 cm
  • Wingspan
    : 85 à 103 cm.
  • Weight
    : 200 à 300 g
Longevity

16 years

Geographic range

Distribution

Identification

Sterne hansel
adult plum. post breeding
Sterne hansel
First year

Gull-billed Tern (Gelochelidon nilotica) is a species of bird in the Laridae family.

Subspecific information 5 subspecies

  • Gelochelidon nilotica nilotica (Europe, n Africa through the Middle East and sc Asia to w China and Thailand)
  • Gelochelidon nilotica affinis (Japan, s and e China through se Asia to Philippines, Sumatra, Sulawesi and Borneo)
  • Gelochelidon nilotica aranea (e and s USA through Greater Antilles)
  • Gelochelidon nilotica vanrossemi (s California. USA. to nw Mexico)
  • Gelochelidon nilotica gronvoldi (French Guiana to ne Argentina)

Foreign names

  • Sterne hansel,
  • Pagaza piconegra,
  • tagaz-comum,
  • Lachseeschwalbe,
  • kacagócsér,
  • Lachstern,
  • Sterna zampenere,
  • sandtärna,
  • Sandterne,
  • rybárka krátkozobá,
  • rybák černozobý,
  • Sandterne,
  • hietatiira,
  • Oostelike Seeswael (Oostelike Sterretjie),
  • curroc,
  • Sandþerna,
  • rybitwa krótkodzioba,
  • kāpu zīriņš,
  • črnonoga čigra,
  • Чайконосая крачка,
  • Dara-laut tiram,
  • ハシブトアジサシ,
  • 鸥嘴噪鸥,
  • นกนางนวลแกลบปากหนา,
  • 鷗嘴燕鷗,

Voice song and cries

Sterne hansel
Second

Habitat

Sterne hansel
adult

Wetlands (inland) : Permanent Rivers/Streams/Creeks (includes waterfalls), Permanent Freshwater Lake

s (over 8ha), Seasonal/Intermittent Freshwater Lakes (over 8ha) ; Marine Neritic : Pelagic, Estuaries ; Marine Intertidal : Sandy Shoreline and/or Beaches, Sand Bars, Spits, Etc ; Marine Coastal/Supratidal : Coastal Sand Dunes, Coastal Brackish/Saline Lagoons/Marine Lakes, Coastal Freshwater Lakes ; Artificial/Aquatic and Marine : Water Storage Areas (over 8ha), Irrigated Land (includes irrigation channels)

Geographic range

Threats - protection

IUCN conservation status
Extinct
Threatened
Least
concern
Extinc
in the Wild
Near
threatened
Not
evaluated
EX EW CR EN VU NT LC NE

Sources of information

Other sources of interest

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