Hampshire and Isle of Wight Wildlife Trust www.hiwwt.org.uk/
Aims to ensure that the important wildlife of the local area is protected, manages nature reserves.
The Hampshire Ornithological Society www.hos.org.uk/
The county bird recording group.
Butterfly Conservation (Hampshire and Isle of Wight branch) www.hantsiow-butterflies.org.uk/ Owns nature reserves and organises conservation work parties for the benefit of butterflies, collects records for the butterflies and moths seen in Hampshire and the Isle of Wight.
Hampshire Bat Group www.hampshirebatgroup.org.uk/
Registered charity made up of volunteer members, aims to promote and support bat conservation in Hampshire and to raise public awareness of bats.
Hampshire Conservation Volunteers www.hcv.hampshire.org.uk/
Practical conservation work all over Hampshire.