Résumé
Diversity refers variety in nature i.e. the variety of life on Earth and its biological diversity is commonly referred to as biodiversity. Sandi Bird sanctuary was developed and conserved in the year 1990 as natural biodiversity hub for aquatic vegetation as well as local residents and migratory birds. This Sanctuary has an area of 309 hectares. A study of faunal diversity in Sandi Bird Sanctuary was done during January 2013 to March 2014. Sandi Bird Sanctuary is well known as popular tourist destination because of the diverse assemblage of avifauna especially migratory water birds that congregate at the Sandi Bird Sanctuary in winter. The result includes 3 species of annelids belonging to 3 orders, 10 orders of insects with 61 species, 4 species of mollusks belonging to 3 orders, 11 species of fishes belonging to 5 families, 3 species of amphibians and 15 species of reptiles belonging to 13 families, 157 species of birds, and 12 species of mammals belonging to 09 families from Sandi Bird Sanctuary. The sanctuary is an envoy area of the Indo-gangetic eco-system. Wetland vegetation is also found in the sanctuary.