The muntjac deer was introduced into the UK from China in the 20th century. It has gained a stronghold in southeast England, where it can cause damage to our woods through browsing.

Look out for the swallow performing great aerial feats as it catches its insect-prey on the wing. You may also see it perching on a wire, or roosting in a reedbed, as it makes its way back to…

The collared dove is a pretty little pigeon that is a regular sight in our gardens, woodlands and parks. Listen out for its familiar cooing call, which you may hear before you see the bird itself…

The large, plump woodpigeon is a familiar sight in our gardens and parks, but can also be found on farmland and in woodlands almost everywhere. You may hear its cooing call before you see the bird…

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…

The fearsome common backswimmer hunts insects, tadpoles and fish. It uses its oar-like legs to swim upside-down under the water's surface where unsuspecting prey can be found.