Look out for the feathery leaves of Spiked water-milfoil just below the surface of streams, ditches, lakes and ponds; its red flowers emerge from the water in summer. It provides shelter for a…

The defensive mechanism of the pill woodlouse is very recognisable - it curls itself into a tight ball, only showing its plated armour to its attacker. It is an important recycler of nutrients,…

The petals of the rare Lizard orchid's flowers form the head, legs and long tail of a lizard. They are greenish, with light pink spots and stripes, and smell strongly of goats! Spot this tall…

Mae pathew y cyll yn greadur anodd ei weld – nid yn unig mae’n dod allan yn y nos, ond hefyd dim ond mewn ychydig iawn o lefydd yn y DU mae i’w weld. Mae pathewod yn treulio llawer o’u hamser yn…

Wedi’i gyflwyno o Japan yn y 19eg ganrif, mae canclwm Japan yn blanhigyn estron ymledol bellach ar lawer o lannau afonydd, tiroedd diffaith ac ymylon ffyrdd, lle mae’n atal rhywogaethau brodorol…

This day-flying moth is found on flowery meadows, often in the company of other moths and butterflies.

Pe baech chi’n codi carreg yn yr ardd, gobeithio y byddech chi’n dod o hyd i lawer o wrachod y lludw. Mae gan y trychfilod gwydn yma arfogaeth fewnol ac maen nhw’n hoffi cuddio mewn llecynnau…

The Bird's-nest orchid gets its name from its nest-like tangle of roots. Unlike other green plants, it doesn’t get its energy from sunlight. Instead, it grows as a parasite on tree roots, so…