{"id":11356,"date":"2019-11-11T07:29:57","date_gmt":"2019-11-11T06:29:57","guid":{"rendered":"http:\/\/birds-in-flight.net\/?p=11356"},"modified":"2019-11-19T21:52:39","modified_gmt":"2019-11-19T20:52:39","slug":"sand-martin-riparia-riparia","status":"publish","type":"post","link":"https:\/\/birds-in-flight.net\/?p=11356","title":{"rendered":"Sand Martin
Riparia riparia<\/em>"},"content":{"rendered":"

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

– small songbird, slightly smaller than Barn Swallow<\/a>
\n– diurnal migrant, possibly nocturnal as well
\n– migrates singly or in small very loose flocks; at roosts several hundreds to thousands may flock
\n– usually not very vocal during migration<\/p>\n

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

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, 1CY<\/strong>
\nBIF3099, 01\/08\/2013, Delitzsch, Germany, Mathias Putze
\n– only weakly forked, fairly short tail
\n– if seen well, 1CY before moult can be aged by pale fringes to many feathers of the upperside (e.g. uppertail coverts)<\/p>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, 1CY<\/strong>
\nBIF3100, 01\/08\/2013, Delitzsch, Germany, Mathias Putze
\n– underside white with diagnostic grey brown collar
\n– uniformly dark underwing<\/p>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, 1CY<\/strong>
\nBIF3101, 01\/08\/2013, Delitzsch, Germany, Mathias Putze
\n– dusky cheeks<\/p>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, AD<\/strong>
\nBIF3102, 01\/08\/2013, Delitzsch, Germany, Mathias Putze
\n–\u00a0upperside grey brown rather than blackish (cf. Common House Martin<\/a>)
\n– in good light wings often slightly darker than back
\n– AD in late summer appear worn<\/p>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, AD<\/strong>
\nBIF3103, 01\/08\/2013, Delitzsch, Germany, Mathias Putze<\/p>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, AD<\/strong>
\nBIF3104, 01\/08\/2013, Delitzsch, Germany, Mathias Putze
\n– note full crop of a feeding AD<\/p>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, AD<\/strong>
\nBIF3105, 01\/08\/2013, Delitzsch, Germany, Mathias Putze<\/p>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, AD<\/strong>
\nBIF3106, 30\/05\/2019, B\u00f6rgerende, Germany, Roland Neumann<\/p>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em><\/strong>
\nBIF3106, 30\/05\/2019, Zingst, Germany, Roland Neumann
\n– at greater distance apart from colouration the dark collar is the best ID feature<\/p>\n

>> ACOUSTIC ID >>>>><\/strong>
\n– not very vocal during migration
\n– harsh, polyphonic<\/em> flight call with dense inharmonic partials<\/em>
\n– each call is a phrase<\/em> of four variable upslurs<\/em> uttered singly or as doublet
\n– main energy between 2 and 7,8kHz<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2019\/11\/BIF3108-1_PFR09051_0-00_130801_BIO_smartin-riparia-FL-FC_d_sn_seelhaus-see_REF-S_B.mp3<\/a><\/audio>\n

\"\"<\/a>
\n– overview –<\/em>
\n\"\"<\/a>
\n– detail –<\/em>
\nSand Martin Riparia r. riparia<\/em>, call in flight<\/strong>
\nBIF3108, 01\/08\/2013, Seelhausener See, Germany, Patrick Franke<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2019\/11\/BIF3109-1_PFR08847_0-00_130813_BIO_smartin-riparia-FL-FC_d_sn_seelhaus-see_REF-S_A.mp3<\/a><\/audio>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, call in flight<\/strong>
\nBIF3109, 13\/08\/2013, Seelhausener See, Germany, Patrick Franke<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2019\/11\/BIF3110-1_PFR09055_0-00_130801_BIO_smartin-riparia-1-FC_d_sn_seelhaus-see_REF-S_C.mp3<\/a><\/audio>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, call in flight<\/strong>
\nBIF3110, 01\/08\/2013, Seelhausener See, Germany, Patrick Franke<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2019\/11\/BIF3111-1_PFR09059_0-00_130801_BIO_smartin-riparia-FL-FC_d_sn_seelhaus-see_REF-S_A-C.mp3<\/a><\/audio>\n

\"\"<\/a>
\nSand Martin Riparia r. riparia<\/em>, call in flight<\/strong>
\nBIF3111, 01\/08\/2013, Seelhausener See, Germany, Patrick Franke<\/p>\n

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

Eurasian Crag Martin<\/a> (v)
\nBrown-throated Martin<\/a> (v)
\nPale Crag Martin<\/a> (v)
\nBarn Swallow<\/a> (v)
\nCommon House Martin<\/a> (v)
\nRed-rumped Swallow<\/a> (v)<\/p>\n

#songbird #passerine<\/p>\n

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

>> GENERAL >>>>> – small songbird, slightly smaller than Barn Swallow – diurnal migrant, possibly nocturnal as well – migrates singly or in small very loose flocks; at roosts several hundreds to thousands may flock – usually not very vocal during migration >> VISUAL ID >>>>> Sand Martin Riparia r. riparia, 1CY BIF3099, 01\/08\/2013, Delitzsch, … Continue reading Sand Martin
Riparia riparia<\/em><\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":11359,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118],"tags":[366],"class_list":["post-11356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hirundinidae","tag-sand-martin-riparia-riparia"],"_links":{"self":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/11356","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=11356"}],"version-history":[{"count":14,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/11356\/revisions"}],"predecessor-version":[{"id":11505,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/11356\/revisions\/11505"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/media\/11359"}],"wp:attachment":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}