In summer, the sedge warbler can be spotted singing from a reed or willow perch in wetlands across the UK. Males never sing the same song twice, adding new phrases to impress the females.

The tree bumblebee is a new arrival to the UK. First recorded here in 2001, it is slowly spreading north. It prefers open woodland and garden habitats and can be found nesting in bird boxes and…

Cock's-foot is a common, tussocky grass of grasslands, woodland rides and cultivated ground - its fluffy, pinky-beige flower heads are quite distinctive.

As its name suggests, giant hogweed it a large umbellifer with distinctively ridged, hollow stems. An introduced species, it is an invasive weed of riverbanks, where it prevents native species…