Meet the Dorset Wildlife Trust rangers who manage the northern part of Brownsea island for wildlife in partnership with the National Trust and engage with visitors. For its size, Brownsea is one of the most biodiverse sites in England with a species list of 4,900 in total and over 300 bird species recorded. Find out about the birds which make Brownsea Lagoon their home, how Dorset Wildlife Trust manages the area to help wildlife thrive, and what makes the island such a special place for wildlife and people.