Tuesday, 8 May 2018

Order - Charadriiformes
Family - Laridae (Gulls, Terns, Skimmers)
Common Tern
Sterna hirundo
普通燕鸥
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    Size : 32–39 cm; 97–146 g (average 120–135 g in breeding season, 
             102 g in winter); Wingspan 72–83 cm
    
    (LC : Least Concern)
    Subspecies and Distribution
  • Sterna hirundo hirundo (Linnaeus, 1758)
    – North America (C & E Canada, N & E USA) to N South America, Atlantic islands, Europe, N Africa (Tunisia) and W Africa (Mauritania, Senegal, erratically Nigeria), through Middle East and Black and Caspian Seas to Yenisey Valley; winters S of Tropic of Cancer.
  • Sterna hirundo minussensis (Sushkin, 1925)
    – C Asia from upper Yenisey Valley E to Baikal and N Mongolia; winters mainly N Indian Ocean.
  • Sterna hirundo tibetana (H. Saunders, 1876)
    – W Mongolia S to Kashmir and SW & SC China (Tibet, Sichuan), at high altitudes; winters mostly E Indian Ocean.
  • Sterna hirundo longipennis (Nordmann, 1835)
    – NE Siberia S to NE China (C Heilongjiang to Inner Mongolia and Shanxi); winters E Indian Ocean and SE Asia to Australia and (rarely) New Zealand.

Sterna hirundo ssp. longipennis
Date : 05 May 2018
Location : Off Tanjung Dawai, Daerah Yan, Kedah

Sterna hirundo ssp. longipennis
Date : 05 May 2018
Location : Off Tanjung Dawai, Daerah Yan, Kedah

Sterna hirundo ssp. longipennis
Date : 05 May 2018
Location : Off Tanjung Dawai, Daerah Yan, Kedah

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