Yr Arolwg Natur Mawr
Mae Ymddiriedolaeth Natur De a Gorllewin Cymru, a’r Ymddiriedolaethau Natur ar draws y DU, eisiau clywed eich barn chi am rai o’r cwestiynau mwyaf sy’n ymwneud â byd natur a’n rôl ni wrth ofalu amdano.
Although, commonly referred to as a ‘sea snail,’ this species in fact belongs to the fish family!
Ydych chi wedi gweld blociau jeli coch tywyll erioed wrth archwilio pyllau creigiog? Y creaduriaid yma yw pysgod gleiniog yr anemoni! Maen nhw’n byw drwy lynu wrth greigiau bob cam o amgylch…
The Keeled skimmer is a dragonfly of heaths and commons with shallow pools. It has a skittish and weak flight, and is on the wing in summer and early autumn.
A familiar garden bird, the blue tit can be seen around bird tables and feeders, as well as in woodlands and parks. Listen out for its trilling, 'tsee-tsee-tsee' song. It is smaller than…
A beautiful, tiny fungus, green elf cup can be commonly found on the decomposing wood of deciduous trees in woods, parks and gardens.
Perennial rye-grass is a tufted, vigorous grass of roadside verges, rough pastures and waste ground. It is commonly used in agriculture and for reseeding grasslands.
The Wildlife Trust of South & West Wales (WTSWW) is proud to be an Investing in Volunteers achiever, having been awarded the quality standard in 2025 for the 1st time.
One of the joys of a spring day is watching a fluttering, lemon-yellow brimstone alight on a flower - an early sign that the seasons are changing. It is commonly spotted in gardens, woodland and…
Mae gwenoliaid duon yn treulio’r rhan fwyaf o’u bywydau yn hedfan – gan hyd yn oed gysgu, bwyta ac yfed wrth hedfan – gan lanio i nythu yn unig. Maen nhw’n hoffi nythu mewn hen adeiladau mewn…
Mae gan y fantell garpiog ymylon adenydd carpiog nodedig, sy'n helpu i'w chuddliwio - wrth orffwys, mae'n edrych yn union fel deilen farw! Mae'n ffafrio ymylon coetir, ond…
The once-common pochard is now under threat because its populations are declining rapidly. The UK is an important winter destination for the pochard, with 48,000 birds visiting our wetlands and…