The\u00a0sedge warbler<\/b>\u00a0(Acrocephalus schoenobaenus<\/i>) is an\u00a0Old World warbler\u00a0in the genus\u00a0Acrocephalus<\/i>. It is a medium-sized warbler 11.5\u201313\u00a0cm (4.5\u20135.1\u00a0in) long and weighing around 12\u00a0g (0.42\u00a0oz) with a brown, streaked back and wings and a distinct pale\u00a0supercilium. The\u00a0plumage of the sexes is identical. Sedge warblers are migratory, crossing the\u00a0Sahara\u00a0to get from their\u00a0European\u00a0and\u00a0Asian\u00a0breeding grounds to spend winter in\u00a0Africa. The sedge warbler is mostly insectivorous and has a \u00a0typical lifespan is 2 years.<\/p>\n
The song is varied, rushed and chattering, with sweeter phrases and some mimicry, typical of the\u00a0Acrocephalus<\/i> warblers. It is composed of phrases in random\u00a0 order, so that it is never the same. Male sedge warblers which have the widest repertoire mate with the largest number of females. Male sedge warblers commence singing only a few hours after arriving on their breeding territory. The song is given from a bare perch such as a reed stem or bush, or from cover and during routine flights within their territory. Song-flights are also performed: while singing, the bird takes off, rises to a height of around 2\u20135 metres and then after a short circling flight, makes a slow, ‘parachuting’ descent, often with the wings held up in a ‘v’ shape. The song has the function of attracting a mate, rather than keeping other males away, and is stopped as soon as a mate is found. Contact calls are described as\u00a0chirr<\/i>\u00a0or\u00a0kerr<\/i>; these calls are repeated quickly to form a rattling alarm call.<\/p>\n
Sedge warblers feed in low, thick vegetation, especially reeds and rushes, but also in arable fields and around bushes.<\/sup><\/p>\n","protected":false},"excerpt":{"rendered":" The\u00a0sedge warbler\u00a0(Acrocephalus schoenobaenus) is an\u00a0Old World warbler\u00a0in the genus\u00a0Acrocephalus. It is a medium-sized warbler 11.5\u201313\u00a0cm (4.5\u20135.1\u00a0in) long and weighing around 12\u00a0g (0.42\u00a0oz) with a brown, streaked back and wings and a distinct pale\u00a0supercilium. The\u00a0plumage of the sexes is identical. Sedge warblers are migratory, crossing the\u00a0Sahara\u00a0to get from their\u00a0European\u00a0and\u00a0Asian\u00a0breeding grounds to spend winter in\u00a0Africa. The sedge […]<\/p>\n","protected":false},"author":30,"featured_media":4240,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[143,48,47],"tags":[],"class_list":["post-4246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-143","category-bird-species","category-migrant-arrivals"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/posts\/4246"}],"collection":[{"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/comments?post=4246"}],"version-history":[{"count":4,"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/posts\/4246\/revisions"}],"predecessor-version":[{"id":7269,"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/posts\/4246\/revisions\/7269"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/media\/4240"}],"wp:attachment":[{"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/media?parent=4246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/categories?post=4246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.butemuseum.org.uk\/butebirdgroup\/wp-json\/wp\/v2\/tags?post=4246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}