Birds

Insects and Spiders

Mammals

Marine Life

Reptiles and Amphibians

HULA Animal Rescue
An animal sanctuary based in Bedfordshire. The website features details of the adoption process and listings of animals in need of new homes.

People's Trust For Endangered Species
This charity aims to protect endangered species in Britain. Includes information on wildlife surveys, mammal species, PTES reserves, and forthcoming events.

The Aspinall Foundation
A conservation organisation that runs Howletts and Port Lympne Wild Animal Parks in Kent, and The Aspinall Foundation. The foundation is devoted to the conservation of wild species and aims to return them to protected areas in the wild.

The Zoological Society of London
A charity devoted to the conservation of animals, and education. It runs London Zoo and Whipsnade Wild Animal Park, does research through the Institute of Zoology, and carries out conservation programmes.

Wildlife Conservation Research Unit
An organisation which conducts research into conservation issues. This encompasses the fields of animal behaviour, ecology, physiology, biochemistry, parasitology, epidemiology and genetics, as well as other disciplines.