{"id":399499,"date":"2026-04-15T09:42:09","date_gmt":"2026-04-15T09:42:09","guid":{"rendered":"https:\/\/www.newsbeep.com\/ie\/399499\/"},"modified":"2026-04-15T09:42:09","modified_gmt":"2026-04-15T09:42:09","slug":"britains-butterfly-populations-decline-as-dozens-of-species-face-urgent-fight-for-survival","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ie\/399499\/","title":{"rendered":"Britain\u2019s butterfly populations decline as dozens of species face \u2018urgent\u2019 fight for survival"},"content":{"rendered":"<p>Britain\u2019s native butterflies are locked in an uphill struggle for survival, with new data showing dozens of species are in decline.<\/p>\n<p>More than half of the UK\u2019s butterfly species have seen their numbers fall, with some populations collapsing by nearly 90 per cent over the past five decades.<\/p>\n<p>The UK Butterfly Monitoring Scheme &#8211; a citizen science project that has collected more than 44 million records over 50 years &#8211; found 33 of 59 species have declined since tracking began.<\/p>\n<p>Conservationists have warned the figures point to an \u201cincreasingly urgent battle\u201d for survival.<\/p>\n<p>Species reliant on specific habitats, such as woodland clearings and chalk grassland, have been hardest hit, with many disappearing rapidly from traditional areas.<\/p>\n<p>The small tortoiseshell has suffered one of the steepest declines, with numbers falling by 87 per cent since 1976.<\/p>\n<p>Pearl-bordered fritillaries &#8211; orange-and-black butterflies whose caterpillars rely on violets in sunlit woodland and bracken slopes &#8211; have dropped by 70 per cent.<\/p>\n<p>White-letter hairstreaks, which depend entirely on elm trees, have also been hit hard following widespread elm loss due to disease.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"a9ced\" data-rm-shortcode-id=\"54541cbcff35a86546001381524ea98b\" data-rm-shortcode-name=\"rebelmouse-image\" class=\"rm-shortcode rm-lazyloadable-image \" lazy-loadable=\"true\" src=\"data:image\/svg+xml,%3Csvg%20xmlns='http:\/\/www.w3.org\/2000\/svg'%20viewBox='0%200%205000%203335'%3E%3C\/svg%3E\" data-runner-src=\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/04\/british-butterfly.jpg\" width=\"5000\" height=\"3335\" alt=\"British butterfly\"\/><\/p>\n<p>More than half of the UK\u2019s butterfly species have seen their numbers fall<\/p>\n<p> | <\/p>\n<p>GETTY<\/p>\n<p>Professor Richard Fox, head of science at Butterfly Conservation, described the findings as \u201cdamning\u201d.<\/p>\n<p>\u201cJust as we have lost family-run shops and traditional skills from the nation&#8217;s high streets, so we&#8217;ve lost variety and diversity in the butterfly communities that can exist in our damaged and simplified landscapes,\u201d he said.<\/p>\n<p>However, not all species are declining, with 25 showing population growth over the same period.<\/p>\n<p>The red admiral, once a summer visitor, now lives in the UK year-round, with numbers rising by 330 per cent since 1976.<\/p>\n<p>                BRITAIN&#8217;S WILDLIFE &#8211; READ THE LATEST:<\/p>\n<p>        <img loading=\"lazy\" decoding=\"async\" id=\"747fc\" data-rm-shortcode-id=\"b2371c429fde7ba522130cd4948f147d\" data-rm-shortcode-name=\"rebelmouse-image\" class=\"rm-shortcode rm-lazyloadable-image \" lazy-loadable=\"true\" src=\"data:image\/svg+xml,%3Csvg%20xmlns='http:\/\/www.w3.org\/2000\/svg'%20viewBox='0%200%201600%20900'%3E%3C\/svg%3E\" data-runner-src=\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/04\/small-tortoiseshell-butterfly.png\" width=\"1600\" height=\"900\" alt=\"Small tortoiseshell butterfly\"\/><\/p>\n<p>The small tortoiseshell has suffered one of the steepest declines, with numbers falling by 87 per cent since 1976.<\/p>\n<p> | <\/p>\n<p>GETTY<\/p>\n<p>The most dramatic recovery has been seen in the large blue, which has increased by 1,866 per cent since 1983 following successful reintroduction after being declared extinct in Britain.<\/p>\n<p>Targeted conservation efforts have also helped the silver-studded blue and black hairstreak recover.<\/p>\n<p>Scientists said species able to adapt to a wider range of habitats have fared better, with some expanding into new areas.<\/p>\n<p>However, experts warned last year\u2019s figures highlighted the scale of the crisis.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"f1808\" data-rm-shortcode-id=\"76d9939bb5f61a9ef31fd6cf4ca7d096\" data-rm-shortcode-name=\"rebelmouse-image\" class=\"rm-shortcode rm-lazyloadable-image \" lazy-loadable=\"true\" src=\"data:image\/svg+xml,%3Csvg%20xmlns='http:\/\/www.w3.org\/2000\/svg'%20viewBox='0%200%206000%204000'%3E%3C\/svg%3E\" data-runner-src=\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/04\/butterfly-in-the-woods.jpg\" width=\"6000\" height=\"4000\" alt=\"Butterfly in the woods\"\/><\/p>\n<p>Scientists said species able to adapt to a wider range of habitats have fared better<\/p>\n<p> | <\/p>\n<p>GETTY<\/p>\n<p>Despite the UK recording its sunniest year on record, butterfly numbers were only average overall.<\/p>\n<p>\u201cLast year should have been amazing for butterflies, however we were not treated to a bumper butterfly year &#8211; indeed over one third of species had below average numbers,\u201d Professor Fox said.<\/p>\n<p>He added that while weather cannot be controlled, habitat restoration remains critical, particularly for struggling species such as the high brown fritillary, northern brown argus and Duke of Burgundy.<\/p>\n<p>Dr Marc Botham, butterfly ecologist at the UK Centre for Ecology and Hydrology, said: &#8220;Butterfly numbers naturally fluctuate from year to year depending on the weather, which is why the UK Butterfly Monitoring Scheme is so important.<\/p>\n<p>&#8220;This invaluable long-term dataset, based on surveys by dedicated volunteers, enables scientists to assess what is actually happening in the countryside over time.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"Britain\u2019s native butterflies are locked in an uphill struggle for survival, with new data showing dozens of species&hellip;\n","protected":false},"author":2,"featured_media":399500,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[264,61,60,43,82,263],"class_list":{"0":"post-399499","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-wildlife","8":"tag-animals","9":"tag-ie","10":"tag-ireland","11":"tag-news","12":"tag-science","13":"tag-wildlife"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/399499","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=399499"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/399499\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/399500"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=399499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=399499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=399499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}