1. International Union of Conservation of Nature and Natural Resources (IUCN). Established in 1948 in Merges (Switzerland).
2. World Wildlife Fund (WWF):
The WWF was established in 1961 at Gland in Switzerland and the Giant Panda (Ailuropoda melanoleuca) was chosen its symbol.
WWF-India was founded in 1969 with its head quarters at Bombay. The important projects taken over by them are (i) Andaman pig study (ii) crane conservation project (iii) crocodile breeding project (iv) ecological survey of Western Ghats (v) sloth bear project and (vi) status survey of sea turtle.
4. Wildlife Preservation Society of India:
Its office is at Dehradun and was formed in 1958.
5. Bombay Natural History Society (BNAS):
(Inception in 1883). The society has been actively engaged in collecting information and specimens of fauna and flora throughout India, Burma (Myanmar) and Sri Lanka.
6. Indian Board for Wildlife (IBWL):
The main functions are (a) to sponsor the setting up of National parks; Sanctuaries and Zoological Gardens (b) to device means for protection of wildlife and (c) to promote public interest in wildlife.
Protected area network (conservation of biological diversity).
In situ conservation of wildlife includes a comprehensive system of protected areas. These include: (i) National Parks, (ii) Sanctuaries, (iii) Biosphere Reserves, (iv) Nature Reserves (v) Natural Monuments and (vi) Cultural Landscapes.
International Union for Conservation of Nature and Natural Resources (IUCN) has established the five main conservation categories which are extinct, endangered vulnerable, rare and insufficiently known species using the IUCN categories. The World Conservation Monitoring Centre (WCMC) has evaluated and described threats to about 60,000 plants and 2000 animal’s species in its series as a book called Red Data Book. The majority of species on these least of Red Data Books are plants species of fish, amphibians, reptiles, birds, mammals and vertebrates.