{"id":805,"date":"2017-02-17T07:46:29","date_gmt":"2017-02-17T06:46:29","guid":{"rendered":"http:\/\/birds-in-flight.net\/?p=805"},"modified":"2020-09-11T20:55:15","modified_gmt":"2020-09-11T19:55:15","slug":"sandwich-tern-sterna-sandvicensis","status":"publish","type":"post","link":"https:\/\/birds-in-flight.net\/?p=805","title":{"rendered":"Sandwich Tern<br> <em>Sterna sandvicensis<\/em>"},"content":{"rendered":"<p><strong>&gt;&gt; GENERAL &gt;&gt;&gt;&gt;&gt;<\/strong><\/p>\n<p>&#8211; medium-sized tern<br \/>\n&#8211; slightly smaller and lighter weighted than <a href=\"https:\/\/birds-in-flight.net\/?p=493\" target=\"_blank\" rel=\"noopener noreferrer\">Common Black-headed Gull<\/a><br \/>\n&#8211; diurnal migrant, to lesser extent nocturnal<br \/>\n&#8211; migrates in small, loose flocks or as family-party (summer)<br \/>\n&#8211; very vocal<\/p>\n<p><strong>&gt;&gt; VISUAL ID &gt;&gt;&gt;&gt;&gt;<\/strong><\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=6160\" target=\"_blank\" rel=\"attachment noopener wp-att-6160 noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6160 size-large\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1392_RNE_swtern-1-1CY_26072016_d_helgoland-1024x683.jpg\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1392_RNE_swtern-1-1CY_26072016_d_helgoland.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1392_RNE_swtern-1-1CY_26072016_d_helgoland-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1392_RNE_swtern-1-1CY_26072016_d_helgoland-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1392_RNE_swtern-1-1CY_26072016_d_helgoland-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, 1CY<\/strong><br \/>\nBIF1392, 26\/07\/2016, Helgoland, Germany, Roland Neumann<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=9094\" rel=\"attachment wp-att-9094\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-9094\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2216_MGR_04092008_STern-1CY_R\u00fcgen-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2216_MGR_04092008_STern-1CY_R\u00fcgen.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2216_MGR_04092008_STern-1CY_R\u00fcgen-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2216_MGR_04092008_STern-1CY_R\u00fcgen-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2216_MGR_04092008_STern-1CY_R\u00fcgen-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, 1CY<\/strong><br \/>\nBIF2216, 04\/09\/2008, R\u00fcgen, Germany, Martin Grimm<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=9095\" rel=\"attachment wp-att-9095\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-9095\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2217_MGR_04092008_STern-1CY_R\u00fcgen-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2217_MGR_04092008_STern-1CY_R\u00fcgen.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2217_MGR_04092008_STern-1CY_R\u00fcgen-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2217_MGR_04092008_STern-1CY_R\u00fcgen-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2217_MGR_04092008_STern-1CY_R\u00fcgen-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, 1CY<\/strong><br \/>\nBIF2217, 04\/09\/2008, R\u00fcgen, Germany, Martin Grimm<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=9093\" rel=\"attachment wp-att-9093\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-9093\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2215_MGR_31082008_STern-1CY_R\u00fcgen-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2215_MGR_31082008_STern-1CY_R\u00fcgen.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2215_MGR_31082008_STern-1CY_R\u00fcgen-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2215_MGR_31082008_STern-1CY_R\u00fcgen-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2215_MGR_31082008_STern-1CY_R\u00fcgen-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, 1CY<\/strong><br \/>\nBIF2215, 31\/08\/2008, R\u00fcgen, Germany, Martin Grimm<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=9091\" rel=\"attachment wp-att-9091\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-9091\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0106_MPU_I8Z9752_100513_swtern_AD_PK_flight_north-sea_offshore-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0106_MPU_I8Z9752_100513_swtern_AD_PK_flight_north-sea_offshore.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0106_MPU_I8Z9752_100513_swtern_AD_PK_flight_north-sea_offshore-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0106_MPU_I8Z9752_100513_swtern_AD_PK_flight_north-sea_offshore-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0106_MPU_I8Z9752_100513_swtern_AD_PK_flight_north-sea_offshore-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD BREED<\/strong><br \/>\nBIF0106, 13\/05\/2010, North sea, offshore, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=9090\" rel=\"attachment wp-att-9090\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-9090\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0105_MPU_I8Z9751_100513_swtern_AD_PK_flight_north-sea_offshore-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0105_MPU_I8Z9751_100513_swtern_AD_PK_flight_north-sea_offshore.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0105_MPU_I8Z9751_100513_swtern_AD_PK_flight_north-sea_offshore-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0105_MPU_I8Z9751_100513_swtern_AD_PK_flight_north-sea_offshore-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0105_MPU_I8Z9751_100513_swtern_AD_PK_flight_north-sea_offshore-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD BREED<\/strong><br \/>\nBIF0105, 13\/05\/2010, North sea, offshore, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=9089\" rel=\"attachment wp-att-9089\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-9089\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0104_MPU_I8Z9739_100513_swtern_AD_PK_flight_north-sea_offshore-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0104_MPU_I8Z9739_100513_swtern_AD_PK_flight_north-sea_offshore.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0104_MPU_I8Z9739_100513_swtern_AD_PK_flight_north-sea_offshore-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0104_MPU_I8Z9739_100513_swtern_AD_PK_flight_north-sea_offshore-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF0104_MPU_I8Z9739_100513_swtern_AD_PK_flight_north-sea_offshore-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD BREED<\/strong><br \/>\nBIF0104, 13\/05\/2010, North sea, offshore, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=9096\" rel=\"attachment wp-att-9096\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-9096\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2218_MGR_04092008_STern-AD-NBreed_R\u00fcgen-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2218_MGR_04092008_STern-AD-NBreed_R\u00fcgen.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2218_MGR_04092008_STern-AD-NBreed_R\u00fcgen-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2218_MGR_04092008_STern-AD-NBreed_R\u00fcgen-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2018\/03\/BIF2218_MGR_04092008_STern-AD-NBreed_R\u00fcgen-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD BREED-&gt;NBREED<\/strong><br \/>\nBIF2218, 04\/09\/2008, R\u00fcgen, Germany, Martin Grimm<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=6712\" rel=\"attachment wp-att-6712\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-6712\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1541_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1541_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1541_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1541_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1541_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD BREED-&gt;NBREED<\/strong><br \/>\nBIF1541, 10\/09\/2010, North Sea, offshore, Germany, Roland Neumann<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=6711\" rel=\"attachment wp-att-6711\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-6711\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1540_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1540_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1540_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1540_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF1540_RNE_swtern-1-AD-BREED-NBREED_10092010_north-sea-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD BREED-&gt;NBREED<\/strong><br \/>\nBIF1540, 10\/09\/2010, North Sea, offshore, Germany, Roland Neumann<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=6159\" target=\"_blank\" rel=\"attachment noopener wp-att-6159 noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6159 size-large\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1391_RNE_swtern-1-1CY_09092016_d_north-sea-1024x683.jpg\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1391_RNE_swtern-1-1CY_09092016_d_north-sea.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1391_RNE_swtern-1-1CY_09092016_d_north-sea-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1391_RNE_swtern-1-1CY_09092016_d_north-sea-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF1391_RNE_swtern-1-1CY_09092016_d_north-sea-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, 1CY<\/strong><br \/>\nBIF1391, 09\/09\/2016, North Sea, offshore, Germany, Roland Neumann<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=3924\" target=\"_blank\" rel=\"attachment noopener wp-att-3924 noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3924 size-full\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF589_MPU_I1Q7966_150701_swtern-1-JUV_d_ruegen.jpg\" alt=\"BIF589_MPU_I1Q7966_150701_swtern-1-JUV_d_ruegen\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF589_MPU_I1Q7966_150701_swtern-1-JUV_d_ruegen.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF589_MPU_I1Q7966_150701_swtern-1-JUV_d_ruegen-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF589_MPU_I1Q7966_150701_swtern-1-JUV_d_ruegen-973x648.jpg 973w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2013\/05\/BIF589_MPU_I1Q7966_150701_swtern-1-JUV_d_ruegen-508x338.jpg 508w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, 1CY<\/strong><br \/>\nBIF0589, 01\/07\/15, R\u00fcgen, Germany, Mathias Putze<\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?attachment_id=7097\" rel=\"attachment wp-att-7097\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-7097\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/03\/BIF1671_RNE_01072015_swtern-1-1CY_d_ruegen-1-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/03\/BIF1671_RNE_01072015_swtern-1-1CY_d_ruegen-1.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/03\/BIF1671_RNE_01072015_swtern-1-1CY_d_ruegen-1-300x200.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/03\/BIF1671_RNE_01072015_swtern-1-1CY_d_ruegen-1-768x512.jpg 768w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/03\/BIF1671_RNE_01072015_swtern-1-1CY_d_ruegen-1-586x390.jpg 586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, 1CY<\/strong><br \/>\nBIF1671, 01\/07\/15, R\u00fcgen, Germany, Roland Neumann<\/p>\n<p><strong>&gt;&gt; ACOUSTIC ID &gt;&gt;&gt;&gt;&gt;<\/strong><\/p>\n<p>&#8211; flight call a powerful three-part <em>rasp<\/em><br \/>\n&#8211; the first and final part are variable <em>broadband syllables<\/em><br \/>\n&#8211; the center part is <em>monophonic<\/em>, slightly ascending with <em>inharmonic partials<\/em><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-805-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2015\/11\/BIF107-1_PFR07296_1-10_120710_swtern-sandvicensis-FC-FL_uk_cley_REF-S.mp3?_=1\" \/><a href=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2015\/11\/BIF107-1_PFR07296_1-10_120710_swtern-sandvicensis-FC-FL_uk_cley_REF-S.mp3\">https:\/\/birds-in-flight.net\/wp-content\/uploads\/2015\/11\/BIF107-1_PFR07296_1-10_120710_swtern-sandvicensis-FC-FL_uk_cley_REF-S.mp3<\/a><\/audio>\n<p><a href=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-3_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10912 size-large\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-3_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-1024x494.jpg\" alt=\"\" width=\"1024\" height=\"494\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-3_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-3_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-300x145.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-3_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-768x371.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD, calls in flight<\/strong><br \/>\nBIF0107, 10\/07\/2012, Cley, United Kingdom, Patrick Franke<br \/>\n<a href=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-5_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10913 size-large\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-5_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-1024x492.jpg\" alt=\"\" width=\"1024\" height=\"492\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-5_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-5_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-300x144.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-5_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-768x369.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD, calls in flight<\/strong><br \/>\n<strong><em>\u2013 detail \u2013<\/em><\/strong><br \/>\nBIF0107, 10\/07\/2012, Cley, United Kingdom, Patrick Franke<br \/>\n<a href=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-7_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-10914 size-large\" src=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-7_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-1024x494.jpg\" alt=\"\" width=\"1024\" height=\"494\" srcset=\"https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-7_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S.jpg 1024w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-7_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-300x145.jpg 300w, https:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF0107-7_PFR07296_1-10_120710_BIO_swtern-sandvicensis-FL-FC_uk_cley_REF-S-768x371.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><br \/>\n<strong>Sandwich Tern <em>Sterna s. sandvicensis<\/em>, AD, calls in flight<\/strong><br \/>\n<em><strong>\u2013 overview \u2013<br \/>\n<\/strong><\/em>BIF0107, 10\/07\/2012, Cley, United Kingdom, Patrick Franke<\/p>\n<p><strong>&gt;&gt; COMPARISON SPECIES &gt;&gt;&gt;&gt;&gt;<\/strong><\/p>\n<p><a href=\"https:\/\/birds-in-flight.net\/?p=9414\" target=\"_blank\" rel=\"noopener noreferrer\">Cabot&#8217;s Tern<\/a><br \/>\n<a href=\"https:\/\/birds-in-flight.net\/?p=451\" target=\"_blank\" rel=\"noopener noreferrer\">Common Tern<\/a><br \/>\n<a href=\"https:\/\/birds-in-flight.net\/?p=459\" target=\"_blank\" rel=\"noopener noreferrer\">Arctic Tern<\/a><br \/>\n<a href=\"https:\/\/birds-in-flight.net\/?p=7055\" target=\"_blank\" rel=\"noopener noreferrer\">Gull-billed Tern<\/a><\/p>\n<p>#seabird #seabirds<\/p>\n<p>#ornithology #birdmigration #birdID #birdguide #birding #birdwatching #birdsound #westernpalearctic #europe #vismig #flightcalls #middleeast #northernafrica #workinprogress<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&gt;&gt; GENERAL &gt;&gt;&gt;&gt;&gt; &#8211; medium-sized tern &#8211; slightly smaller and lighter weighted than Common Black-headed Gull &#8211; diurnal migrant, to lesser extent nocturnal &#8211; migrates in small, loose flocks or as family-party (summer) &#8211; very vocal &gt;&gt; VISUAL ID &gt;&gt;&gt;&gt;&gt; Sandwich Tern Sterna s. sandvicensis, 1CY BIF1392, 26\/07\/2016, Helgoland, Germany, Roland Neumann Sandwich Tern Sterna &hellip; <a href=\"https:\/\/birds-in-flight.net\/?p=805\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Sandwich Tern<br \/> <em>Sterna sandvicensis<\/em><\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":9091,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,292],"tags":[44],"class_list":["post-805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sternidae","category-terns","tag-sandwich-tern-sterna-sandvicensis"],"_links":{"self":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=805"}],"version-history":[{"count":38,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/805\/revisions"}],"predecessor-version":[{"id":11654,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/805\/revisions\/11654"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/media\/9091"}],"wp:attachment":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}