Ground-elder was likely introduced into the UK by the Romans and has since become naturalised. A medium-sized umbellifer, it is an invasive weed of shady places, gardens and roadsides.

The delicate, tube-like, violet-blue flowers of Skullcap bloom from June to September in damp places, such as marshes, fens, riverbanks and pond margins.

Tawny owls are the familiar brown owls of Britain’s woodlands, parks and gardens. They are known for their ‘too-wit too-woo’ song that can be heard at night-time.

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…

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…

A well-travelled migrant, the painted lady arrives here every summer from Europe and Africa. This beautiful orange-and-black butterfly regularly visits gardens.

A summer visitor, the willow warbler can be seen in woodland, parks and gardens across the UK. It arrives here in April and leaves for southern Africa in September.

Gellir gwełd y chwilod mawr, brown yma’n heidio o amgylch golau stryd yn y gwanwyn. Maen nhw’n byw o dan y ddaear fel larfa am flynyddoedd ac wedyn yn dod allan fel oedolion, mewn niferoedd mawr…

As the name suggests, the male blackcap has a black cap, while the female has a gingery one. Look for this distinctive warbler in woodland, parks and gardens.

Fat hen is a persistent 'weed' of fields and gardens, verges and hedgerows. But, like many of our weed species, it is a good food source for birds and insects.

The 'drumming' of a great spotted woodpecker is a familiar sound of our woodlands, parks and gardens. It is a form of communication and is mostly used to mark territories and to display…

The migrant hawker is not a particularly aggressive species, and may be seen feeding in large groups. It flies late into autumn and can be seen in gardens, grasslands and woodlands.