Mae'r gweirlöyn brych yn ffafrio golau haul brith rhodfeydd ac ymylon y coetir, gwrychoedd a hyd yn oed gerddi. Er gwaethaf ei ddirywiad, mae ei amrediad wedi lledaenu yn ystod y blynyddoedd…

The gatekeeper is on the wing in summer on grasslands, in woodlands and along hedgerows. Look out for the large, distinctive eyespot with two 'pupils' on each forewing.

Look out for the bright red eyes of this speedy crab in rockpools - but be careful, they're notoriously feisty and will give a painful nip!

The pungent, rotten smell of Black Horehound makes this medium-sized plant of waste ground and roadside verges stand out from the crowd.

Look out for the small, yellow flowers of Celery-leaved buttercup in wet meadows and at the edges of ponds and ditches. It flowers from May to September.

The unpleasant, astringent smell of Hedge woundwort makes this medium-sized plant of woodlands, hedgerows and roadside verges stand out from the crowd.

A small, tufted fern, maidenhair spleenwort can be found growing out of crevices between rocks, in walls and on mossy branches across the UK.

The enigmatic golden eagle disappeared from England and Wales in the 19th century due to severe persecution. Scottish birds suffered from the use of pesticides in the 20th century. Luckily, golden…