Mae glöyn byw y glesyn cyffredin yn driw i’w enw - mae'n las llachar ac i'w ganfod mewn pob math o gynefinoedd heulog, glaswelltog ledled y DU! Cadwch lygad amdano yn eich gardd hefyd.…

In spring and summer, look out for 'cuckoo-spit' - the frothy mass of bubbles that appears on plant stems everywhere. This is actually the protective covering for the nymphs of the tiny…

This large green moth rests with its wings spread, so is sometimes mistaken for a butterfly.

This metallic green beetle can be seen visiting flowers on sunny days in spring and summer.

The yellow meadow ant is known for creating anthills in grassland habitats. It has a close relationship with the chalkhill blue butterfly - protecting the larvae in return for a sugary substance…

Cadwch lygad am y glöyn byw bychan, Glesyn y Celyn, yn eich gardd neu barc lleol. Dyma'r glöyn byw glas cyntaf i ymddangos yn y gwanwyn, ac mae ail genhedlaeth yn ymddangos yn yr haf. Mae…

Mae'r trilliw bach tlws yn ymwelydd gardd cyfarwydd sydd i'w weld yn bwydo ar flodau drwy gydol y flwyddyn yn ystod cyfnodau cynnes. Gall oedolion sy'n gaeafu ddod o hyd i fannau…

A spring delight, the wood anemone grows in dappled shade in ancient woodlands. Traditional management, such as coppicing, can help such flowers by opening up the woodland floor to sunlight.

The rare Slavonian grebe is an attractive diving bird with distinctive, golden ear tufts that give rise to its American name - 'horned grebe'.

Sea lettuce is unmistakeable - most often a bright green and always translucent, it is found on all UK coasts.

A diminutive but aggressive predator, the three-spined stickleback hunts tadpoles and small fish. It is also known for fiercely protecting its nest of eggs until they hatch. Look for it in ponds,…