The Nagzira wildlife sanctuary is a well-preserved "green oasis" in the easternmost part of the
Maharashtra State and has a significant level of
biodiversity The sanctuary is surrounded by plants and serves as a living outdoor museum to explore nature.
Ecological or environmental values It is an important conservation unit in Central India in general and
Vidarbha in particular. It provides air purification for the adjoining human settlements and helps in maintaining environmental balance.
Wildlife Nagzira National Park is the home of many endangered species. The vertebrate fauna includes, besides a number of fishes, about 34 species of mammals, about 166 species of birds including migratory land and water birds, about 36 species of reptiles and about 4 species of amphibia. This sanctuary is notable for its wealth of birds and is indeed a bird watcher's paradise.
Invertebrates This sanctuary is the abode of, besides innumerable other
insect species, about 49
butterfly species belonging to 9 families; the most prominent include the
common rose,
common Mormon,
lime butterfly,
common sailor,
common Indian crow and
black rajah.
Mammals Nearly 34 – species of mammal belonging to about 8 natural orders and 16 families are seen in this sanctuary, out of which about 14 species are of endangered status, namely the
tiger,
Indian leopard,
jungle cat,
small Indian civet,
Asian palm civet,
Indian wolf,
golden jackal,
sloth bear,
honey badger,
Indian giant flying squirrel,
gaur,
four-horned antelope,
spotted deer,
sambar deer,
nilgai,
Indian spotted chevrotain and
Indian pangolin.
Birds The avifauna of this sanctuary is its most attractive wildlife feature. Well over 166 species belonging to about 16 different orders and 47 families have been recorded here. Also as many as 15 species of migratory birds and about 42 species of local migrants are reported. One remarkable bird, the
bar-headed goose, is a winter migrant from Ladakh and Tibet and inhabits Chorkhamara tank located adjoining the sanctuary. There are 13 bird species of endangered status, including
Indian peafowl and the birds belonging to the family
Accipitridae.
Reptiles This sanctuary is the abode of about 36 species of reptiles belonging to 2 natural orders and 11 families out of which about 6 species are of endangered status namely
Indian rock python,
dhaman,
Indian cobra,
Russell's viper,
checkered keelback and
Bengal monitor.
Amphibia This sanctuary is a home of many interesting varieties of frogs and toads like tree frogs, bullfrogs, six-toed frogs, and an uncommon toad,
Uperodon montanus.
Fishes The Nagzira lake and the other water-bodies around this sanctuary contain many varieties of freshwater fish. ==Bio-geographic zonation==