{"id":8546,"date":"2026-05-18T13:55:06","date_gmt":"2026-05-18T12:55:06","guid":{"rendered":"https:\/\/www.northeastwales.wales\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/"},"modified":"2026-05-18T14:24:12","modified_gmt":"2026-05-18T13:24:12","slug":"the-little-tern-colony-at-prestatyn-and-natures-biodiversity","status":"publish","type":"post","link":"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/","title":{"rendered":"M\u00f4rwennod bach ym Mhrestatyn a amrywiaeth fiolegol natur"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2023\/06\/Nesting-Little-Tern-image-1-002-1200x800.jpg\" alt=\"\" class=\"wp-image-4046\" srcset=\"https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2023\/06\/Nesting-Little-Tern-image-1-002-1200x800.jpg 1200w, https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2023\/06\/Nesting-Little-Tern-image-1-002-600x400.jpg 600w, https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2023\/06\/Nesting-Little-Tern-image-1-002-768x512.jpg 768w, https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2023\/06\/Nesting-Little-Tern-image-1-002.jpg 1440w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Credyd llun gan \/ photo credit Michael Steciuk<\/figcaption><\/figure>\n\n\n\n<p>Bob haf, mae rhai ymwelwyr arbennig iawn yn cyrraedd arfordir Sir Ddinbych \u2013 y m\u00f4rwennod bach ym Mhrestatyn. Mae\u2019r adar m\u00f4r hyn yn mudo miloedd o filltiroedd o Orllewin Affrica i nythu ar y gro a\u2019r tywod, gan fagu eu cywion ar y traeth ei hun.<\/p>\n\n\n\n<p>Y m\u00f4rwen fach yw\u2019r lleiaf o bump rhywogaeth o f\u00f4rwennod sy\u2019n magu yn y DU. Mae ganddi gorff main, siap llyfn, pen du gyda thalcen gwyn a phig melyn gyda blaen du nodedig. Mae ganddi gynffon fyrrach na rhywogaethau eraill o forwennod, a ph\u00e2r o adenydd cul a phigfain gyda rhychwant adenydd o 45\u201355cm.<\/p>\n\n\n\n<p>Gan eu bod yn nythu ar y ddaear, maent yn agored i gael eu tarfu, yn enwedig ar ddiwrnodau prysur. Yn ystod y tymor bridio fe welwch ardal wedi\u2019i hamg\u00e1u a byrddau gwybodaeth fel bod pobl yn ymwybodol o leoliad y cytref. Mae gwirfoddolwyr a wardeiniaid yn aml yn cadw llygad ar yr adar ac yn hapus i ateb cwestiynau pan fyddant ar gael.<\/p>\n\n\n\n<p>Peidiwch \u00e2\u2019u tarfu drwy fynd yn rhy agos. Gall cerdded syml ar hyd y promen\u00e2d neu\u2019r traeth, gan wylio\u2019r m\u00f4rwennod yn hofran ac yn plymio am bysgod, fod yn uchafbwynt gwirioneddol unrhyw ymweliad arfordirol. Cofiwch ddod \u00e2 binoculars.<\/p>\n\n\n\n<p>Unwaith y bydd y tymor bridio drosodd, mae\u2019r adar yn mudo pellteroedd hir i\u2019w hardaloedd gaeafu, sy\u2019n cynnwys cilfachau llanw, lag\u0175nau a fflatiau halen.<\/p>\n\n\n\n<p><strong>Gwybodaeth ddefnyddiol:<\/strong><br>Arhoswch ar y llwybrau wedi\u2019u marcio, cadwch g\u0175n o dan reolaeth agos ger y cytref ac osgoi hedfan barcutiaid neu dronau yn yr ardal. Gall newidiadau bach fel hyn wneud gwahaniaeth mawr i siawns yr adar o fagu eu cywion yn llwyddiannus.<\/p>\n\n\n\n<p><strong>Dolydd blodau gwyllt ar draws Sir Ddinbych<\/strong><br>Wrth fynd i\u2019r mewndir fe welwch fath gwahanol o fywyd \u2013 y dolydd blodau gwyllt a mannau glaswelltog sy\u2019n llawn pryfed drwy ddiwedd y gwanwyn a\u2019r haf. Mae rhai mewn parciau gwledig neu warchodfeydd natur, ac eraill yn ymyl ffyrdd neu mewn mannau cymunedol sydd wedi\u2019u gadael ychydig yn fwy naturiol.<\/p>\n\n\n\n<p>Yn y dolydd hyn, efallai y gwelwch ,  blodyn melyn, meillion, llygad y dydd a gwahanol fathau o laswellt, gyda glo\u00ffnnod byw, gwenyn a phryfed peillio eraill yn symud rhyngddynt. Maent yn lefydd syml, ond perffaith ar gyfer taith gerdded hamddenol, eistedd ar fainc, neu fan tawel i wrando ar g\u00e2n yr adar.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/red-campion.jpg\" alt=\"\" class=\"wp-image-8540\" srcset=\"https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/red-campion.jpg 1200w, https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/red-campion-600x400.jpg 600w, https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/red-campion-768x512.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>Dyma <a href=\"https:\/\/mapiau.sirddinbych.gov.uk\/FySirddinbych.aspx\">ddolen <\/a>i fap o\u2019r dolydd blodau gwyllt.<br>Gallwch<a href=\"https:\/\/www.plantlife.org.uk\/3-mobile-apps-to-identify-wildflowers-on-your-phone\/\"> lawrlwytho ap <\/a>i\u2019ch helpu i adnabod y planhigion a welwch yma.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/birds-foot-trefoil.jpg\" alt=\"\" class=\"wp-image-8542\" srcset=\"https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/birds-foot-trefoil.jpg 1200w, https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/birds-foot-trefoil-600x400.jpg 600w, https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/birds-foot-trefoil-768x512.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>Gallwch fynd \u00e2\u2019r syniad hwn adref gyda chi. Ydych chi wedi clywed am \u201cNo Mow May\u201d?<br>Mae \u201cNo Mow May\u201d yn syniad syml sydd wedi gwreiddio ledled y DU. Y syniad yw gadael lawntiau a mannau glaswelltog heb eu torri drwy gydol mis Mai, gan roi cyfle i flodau gwyllt flodeuo a darparu bwyd a lloches i wenyn, glo\u00ffnnod byw a phryfed eraill.<\/p>\n\n\n\n<p>Mae\u2019n annog bioamrywiaeth ac mae \u201cNo Mow May\u201d yn un o\u2019r ffyrdd hawsaf o helpu\u2019r amgylchedd \u2013 gan adael blodau gwyllt fel llygad y dydd, dannedd y llew a meillion i dyfu, tra\u2019n cefnogi gwenyn a glo\u00ffnnod byw. Mae\u2019r glaswellt hirach yn rhoi lle i bryfed ac anifeiliaid bach guddio.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bob haf, mae rhai ymwelwyr arbennig iawn yn cyrraedd arfordir Sir Ddinbych \u2013 y m\u00f4rwennod bach ym Mhrestatyn. Mae\u2019r adar m\u00f4r hyn yn mudo miloedd o filltiroedd o Orllewin Affrica i nythu ar y gro a\u2019r tywod, gan fagu eu cywion ar y traeth ei hun. Y m\u00f4rwen fach yw\u2019r lleiaf o bump rhywogaeth o [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":8541,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[555,37,34],"tags":[786,461,412],"class_list":["post-8546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conservation-cy","category-activities-cy","category-inspire-me-cy","tag-biodiversity-cy","tag-denbighshire-cy","tag-prestatyn-cy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>M\u00f4rwennod bach ym Mhrestatyn a amrywiaeth fiolegol natur - Gogledd Ddwyrain Cymru - North East Wales<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M\u00f4rwennod bach ym Mhrestatyn a amrywiaeth fiolegol natur - Gogledd Ddwyrain Cymru - North East Wales\" \/>\n<meta property=\"og:description\" content=\"Bob haf, mae rhai ymwelwyr arbennig iawn yn cyrraedd arfordir Sir Ddinbych \u2013 y m\u00f4rwennod bach ym Mhrestatyn. Mae\u2019r adar m\u00f4r hyn yn mudo miloedd o filltiroedd o Orllewin Affrica i nythu ar y gro a\u2019r tywod, gan fagu eu cywion ar y traeth ei hun. Y m\u00f4rwen fach yw\u2019r lleiaf o bump rhywogaeth o [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/\" \/>\n<meta property=\"og:site_name\" content=\"Gogledd Ddwyrain Cymru - North East Wales\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NthEastWales\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-18T12:55:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-18T13:24:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/red-campion.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Fiona Dolben\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ntheastwales\" \/>\n<meta name=\"twitter:site\" content=\"@ntheastwales\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fiona Dolben\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/\"},\"author\":{\"name\":\"Fiona Dolben\",\"@id\":\"https:\/\/www.northeastwales.wales\/#\/schema\/person\/ee99713c9a3d74df05b6bd5d347ca2a0\"},\"headline\":\"M\u00f4rwennod bach ym Mhrestatyn a amrywiaeth fiolegol natur\",\"datePublished\":\"2026-05-18T12:55:06+00:00\",\"dateModified\":\"2026-05-18T13:24:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/\"},\"wordCount\":561,\"publisher\":{\"@id\":\"https:\/\/www.northeastwales.wales\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.northeastwales.wales\/wp-content\/uploads\/2026\/05\/red-campion.jpg\",\"keywords\":[\"#biodiversity\",\"#denbighshire\",\"#prestatyn\"],\"articleSection\":[\"conservation\",\"Gweithgareddau\",\"Ysbrydoliaeth\"],\"inLanguage\":\"cy-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/\",\"url\":\"https:\/\/www.northeastwales.wales\/cy\/the-little-tern-colony-at-prestatyn-and-natures-biodiversity\/\",\"name\":\"M\u00f4rwennod bach ym Mhrestatyn a amrywiaeth fiolegol natur - 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