{"id":10380,"date":"2019-03-17T11:00:33","date_gmt":"2019-03-17T10:00:33","guid":{"rendered":"http:\/\/birds-in-flight.net\/?p=10380"},"modified":"2019-10-08T14:12:01","modified_gmt":"2019-10-08T13:12:01","slug":"little-swift-apus-affinis","status":"publish","type":"post","link":"https:\/\/birds-in-flight.net\/?p=10380","title":{"rendered":"Little Swift
Apus affinis<\/em>"},"content":{"rendered":"

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

– very small Swift, body smaller than House Sparrow<\/a>
\n– breeding population in SW WP, vagrant in Europe
\n– Northern populations migratory<\/p>\n

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

\"\"<\/a>
\nLittle Swift Apus affinis aerobates<\/em><\/strong>
\nBIF2834, 07\/12\/2018, NP Tsavo West, Kenya, Roland Neumann
\n– very small and compact
\n– fairly blunt wings
\n– if only glimpsed from above it could been mistaken for Common House Martin<\/a>, but note the much faster wing beats<\/p>\n

\"\"<\/a>
\nLittle Swift Apus affinis aerobates<\/em><\/strong>
\nBIF2835, 09\/12\/2018, NP Tsavo West, Kenya, Roland Neumann
\n– very short, square-cut tail
\n– depending on the flight action, wings can appear slim and pointed<\/p>\n

\"\"<\/a>
\nLittle Swift Apus affinis aerobates<\/em><\/strong>
\nBIF2836, 09\/12\/2018, NP Tsavo West, Kenya, Roland Neumann
\n– from below not as dark as White-rumped Swift<\/a>
\n– fairly large white throat patch
\n– blunt rear end<\/p>\n

\"\"<\/a>
\nLittle Swift Apus affinis aerobates<\/em><\/strong>
\nBIF2837, 09\/12\/2018, NP Tsavo West, Kenya, Roland Neumann
\n– appears shorter-winged and more compact than other swifts<\/p>\n

\"\"<\/a>
\nLittle Swift Apus affinis aerobates<\/em><\/strong>
\nBIF2838, 01\/12\/2018, NP Tsavo West, Kenya, Roland Neumann
\n– white rump extends to rear flanks (restricted to the back in White-rumped Swift<\/a>)<\/p>\n

\"\"<\/a>
\nLittle Swift Apus affinis aerobates<\/em><\/strong>
\nBIF2839, 10\/12\/2018, NP Tsavo West, Kenya, Roland Neumann
\n– when fanned out the tail is fan-shaped<\/p>\n

\"\"<\/a>
\nLittle Swift Apus affinis aerobates<\/em><\/strong>
\nBIF2840, 07\/12\/2018, NP Tsavo West, Kenya, Roland Neumann
\n– white rump larger than in White-rumped Swift<\/a><\/p>\n

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

– an average 5 sec. long, downslurred<\/em> series of calls
\n– the shape of the elements varies between series
\n– calls resemble Alpine Swift<\/a>, but sound less powerful<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2019\/03\/BIF2869-1_RNE_APUAFF-FC_20181206_Ken_Ngulia.mp3<\/a><\/audio>\n

\"\"<\/a>
\nLittle Swift Apus affinis aerobates<\/em>, calls in flight<\/strong>
\nBIF2869, 06\/12\/2018, Ngulia, Kenya, Roland Neumann<\/p>\n

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

Pacific Swift<\/a> (v)
\nWhite-rumped Swift<\/a> (v)
\nCommon House Martin<\/a> (v)
\nAlpine Swift<\/a> (a)<\/p>\n

#nearpasserine<\/p>\n

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

>> GENERAL >>>>> – very small Swift, body smaller than House Sparrow – breeding population in SW WP, vagrant in Europe – Northern populations migratory >> VISUAL ID >>>>> Little Swift Apus affinis aerobates BIF2834, 07\/12\/2018, NP Tsavo West, Kenya, Roland Neumann – very small and compact – fairly blunt wings – if only glimpsed … Continue reading Little Swift
Apus affinis<\/em><\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":10381,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[355],"class_list":["post-10380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apodidae","tag-little-swift-apus-affinis"],"_links":{"self":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/10380","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=10380"}],"version-history":[{"count":16,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/10380\/revisions"}],"predecessor-version":[{"id":11265,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/10380\/revisions\/11265"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/media\/10381"}],"wp:attachment":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}