{"id":1420,"date":"2013-12-06T18:43:38","date_gmt":"2013-12-06T17:43:38","guid":{"rendered":"http:\/\/birds-in-flight.net\/?p=1420"},"modified":"2022-01-08T11:50:04","modified_gmt":"2022-01-08T10:50:04","slug":"swan-goose-anser-cygnoides","status":"publish","type":"post","link":"https:\/\/birds-in-flight.net\/?p=1420","title":{"rendered":"Swan Goose
Anser cygnoid<\/em>"},"content":{"rendered":"

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

– large goose, slightly larger than Greylag Goose<\/a>
\n– all birds recorded in WP are escapes, at some places with self-sustaining populations
\n– diurnal migrant
\n– in Asia migrates in flocks in formation
\n– in Europe often mixed with other geese<\/p>\n

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

\"\"<\/a>
\nSwan Goose Anser cygnoid<\/em><\/strong>
\nBIF0175, 20\/05\/2011, Taschgai, Mongolia, Mathias Putze<\/p>\n

\"\"<\/a>
\nSwan Goose Anser cygnoid<\/em><\/strong>
\nBIF0176, 20\/05\/2011, Taschgai, Mongolia, Mathias Putze<\/p>\n

\"\"<\/a>
\nSwan Goose Anser cygnoid<\/em><\/strong>
\nBIF0177, 20\/05\/2011, Taschgai, Mongolia, Mathias Putze<\/p>\n

\"\"<\/a>
\nSwan Goose Anser cygnoid<\/em><\/strong>
\nBIF0178, 31\/05\/2011, Taschgai, Mongolia, Mathias Putze<\/p>\n

\"\"<\/a>
\nSwan Goose Anser cygnoid<\/em><\/strong>
\nBIF2809, 02\/09\/2017, Dornod, Mongolia, Mathias Putze<\/p>\n

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

– a variety of different calls in flight and during migration
\n– all calls are highly variable, different transitional forms exist
\n– (gradual) differences between sexes and age classes likely
\n– two common call groups during migration: honks and squeals
\n– honks and squeals with regular disharmonic partials<\/em> and voice breaks<\/em>
\n– the modulation of honks is very variable
\n– short calls (chuckle) when irritated or disturbed (observers)
\n– chuckles uttered singly or in series<\/p>\n\/wp-content\/uploads\/2013\/12\/BIF0179-1_PFR09612_1-10_130609_BIO_swagoo-2-FCSQUEAL-FCHONK_mng_tsagaan-nuur_REF-S_C-D.mp3<\/a><\/audio>\n

\"\"
\n– overview –
\n\"\"
\n– detail –
\nSwan Goose Anser cygnoid<\/em>, calls in flight (squeal, honk)
\nEastern Yellow Wagtail Motacilla tschutschensis macronyx<\/em>, song<\/strong>
\nBIF0179, 09\/06\/2013, Tsagaan Nuur, Mongolia, Patrick Franke<\/p>\n

>> COMPARISON SPECIES >>>>><\/strong><\/p>\n

Pink-footed Goose<\/a>
\nGreylag Goose<\/a>
\nTundra Bean Goose<\/a>
\nTaiga Bean Goose<\/a>
\nGreater White-fronted Goose<\/a>
\nLesser White-fronted Goose
\nBar-headed Goose<\/a><\/p>\n

#goose #geese #waterbird #waterfowl<\/p>\n

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

>> GENERAL >>>>> – large goose, slightly larger than Greylag Goose – all birds recorded in WP are escapes, at some places with self-sustaining populations – diurnal migrant – in Asia migrates in flocks in formation – in Europe often mixed with other geese >> VISUAL ID >>>>> Swan Goose Anser cygnoid BIF0175, 20\/05\/2011, Taschgai, … Continue reading Swan Goose
Anser cygnoid<\/em><\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":2972,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,289],"tags":[97],"class_list":["post-1420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anatidae","category-geese","tag-swan-goose-anser-cygnoid"],"_links":{"self":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/1420","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=1420"}],"version-history":[{"count":27,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/1420\/revisions"}],"predecessor-version":[{"id":13431,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/1420\/revisions\/13431"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/media\/2972"}],"wp:attachment":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}