The bison are part of a project to boost the diversity of Blean Woods.

The four bridges will expand the area the animals can roam by hundreds of acres.

There have been 30 sightings of the large tortoiseshell butterfly in Kent woodland this year alone.

Protesters are opposed to a proposal to build a new estate on a greenfield site near Canterbury.

Plans for a housing estate on land owned by the University Kent have sparked a backlash from locals.

The birth of the male calf in Blean Woods takes the number of bison in the herd to six.

The calf, part of a Kent rewilding project, is the first wild UK-born bison for thousands of years.

Kent Wildlife Trust aims to connect areas of woodland where bison roam.