According to recent classification, India has falling ten Biogeographic Zones.
1. Trans Himalayan
2. Himalayan
3. Indian desert
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4. Semi arid
5. Western Ghats
6. Deccan Peninsula
7. Gangetic plain
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8. North East India
9. Islands
10. Coasts
Trans Himalayan region with its sparse vegetation has the richest wild sheep and good community in the world. Snow leopard is found here, as is the migratory Black necked crane. The Himalaya, the highest mountain range in the world, is located at the boundary of many biogeographically regions and is therefore one of the richest areas of India in terms of habitat and species diversity.
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In the north-west is the desert region with extensive grasslands. The great Indian Bustard, a highly endangered bird is found here. Adjoining the desert is the semiarid region, a transitional one between the desert and the desert forests of the Western Ghats. Beyond the Ghats is the Deccan plateau. When is also a semiarid region lying in the rain shadow of the Western Ghats?
In the north is the Genetic plain extending up to the Himalayan foot hills? North East India is one of the richest regions of biodiversity in the country. It has several species of orchid’s bamboos, ferns and other plants. This region is also one of the early centers of domestication of cultivated plants such as banana, mango, citrus and jute.
India has two major groups of islands- Lakshadweep in the Arabian sea and Andaman and Nicobar Islands in the Bay of Bengal. The Andaman and Nicobar Islands have some of the best preserved evergreen forests of India. Several species of plants and animals are endemic to these islands. India has a very long coast line extending over 5500 kms. Mangrove vegetation is characteristics of the estuarine tracts along the coast.