{"id":6680,"date":"2017-02-27T22:11:17","date_gmt":"2017-02-27T21:11:17","guid":{"rendered":"http:\/\/birds-in-flight.net\/?p=6680"},"modified":"2021-08-25T08:11:08","modified_gmt":"2021-08-25T07:11:08","slug":"bewicks-swan-cygnus-bewickii","status":"publish","type":"post","link":"https:\/\/birds-in-flight.net\/?p=6680","title":{"rendered":"Tundra Swan
Cygnus columbianus<\/em>"},"content":{"rendered":"\n

>> GENERAL >>>>><\/strong><\/p>\n\n\n\n

– smallest of the white swans with shortest neck, larger than Greylag Goose<\/a>
– diurnal migrant, nocturnal movements recorded
– migrates in flocks in formation (mostly in lines)<\/p>\n\n\n\n

>> VISUAL ID >>>>><\/strong><\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em>, AD<\/strong>
BIF1508, 18\/10\/2013, Greifswald, Germany, Michael Hei\u00df<\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em>, AD, 1CY<\/strong>
BIF1509, 18\/10\/2013, Greifswald, Germany, Michael Hei\u00df<\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em>, AD, 2CY<\/strong>
BIF0377, 19\/05\/2011, Buir Nuur, Mongolia, Mathias Putze<\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em>, AD<\/strong>
Whooper Swan Cygnus cygnus<\/em>, AD<\/strong>
BIF0751, 15\/01\/2012, Havelland, Germany, Mathias Putze<\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em>, AD, 2CY<\/strong>
BIF0378, 19\/05\/2011, Buir Nuur, Mongolia, Mathias Putze<\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em>, AD (two lower birds to the right)<\/strong>
Whooper Swan Cygnus cygnus<\/em>, AD, 2CY<\/strong>
BIF0752, 15\/01\/2012, Havelland, Germany, Mathias Putze<\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em>, AD, 1CY<\/strong>
BIF1510, 13\/11\/2013, Baltic Sea, Germany, Michael Hei\u00df<\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em>, AD, 1CY<\/strong>
BIF1511, 13\/11\/2013, Baltic Sea, offshore, Michael Hei\u00df<\/p>\n\n\n\n

\"\"<\/a>
Tundra Swan Cygnus columbianus bewickii<\/em><\/strong>
Whooper Swan Cygnus cygnus<\/em>, AD<\/strong>
Greylag Goose Anser a. anser<\/em>, AD<\/strong>
BIF0800, 05\/03\/2013, North Sea, offshore, Mathias Putze<\/p>\n\n\n\n

>> ACOUSTIC ID >>>>><\/strong><\/p>\n\n\n\n

– flight call a quite variable ‘whoop’
– polyphonic overslur<\/em> with inharmonic partials<\/em>
– in comparison to similar Whooper Swan<\/a> calls rather dry barking than trumpeting timbre<\/em>
– when spotting an observer or another threat might utter a short ‘kuk’
– 1st winter birds with a more frazzled or broken voice, less voluminous<\/p>\n\n\n\n

\n\n\n\n

Tundra Swan Cygnus columbianus bewickii<\/em>, AD JUV, nocturnal flight call<\/strong>
BIF3129, 29\/10\/2019, Wilsen, Germany, Roland Neumann
– higher pitched birds presumably JUV<\/p>\n\n\n\n

Mute Swan<\/a> (v)
Whooper Swan<\/a> (v a)<\/p>\n\n\n\n

#waterbird #waterfowl #wildfowl<\/p>\n\n\n\n

#ornithology #birdmigration #birdID #birdguide #birding #birdwatching #birdsound #westernpalearctic #europe #vismig #flightcalls #middleeast #northernafrica #workinprogress<\/p>\n","protected":false},"excerpt":{"rendered":"

>> GENERAL >>>>> – smallest of the white swans with shortest neck, larger than Greylag Goose– diurnal migrant, nocturnal movements recorded– migrates in flocks in formation (mostly in lines) >> VISUAL ID >>>>> Tundra Swan Cygnus columbianus bewickii, ADBIF1508, 18\/10\/2013, Greifswald, Germany, Michael Hei\u00df Tundra Swan Cygnus columbianus bewickii, AD, 1CYBIF1509, 18\/10\/2013, Greifswald, Germany, Michael … Continue reading Tundra Swan
Cygnus columbianus<\/em><\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":6689,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,287],"tags":[394],"class_list":["post-6680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anatidae","category-swans","tag-tundra-swan-cygnus-columbianus"],"_links":{"self":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/6680","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=6680"}],"version-history":[{"count":36,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/6680\/revisions"}],"predecessor-version":[{"id":13145,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/6680\/revisions\/13145"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/media\/6689"}],"wp:attachment":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}