There are more than 2000 species of fauna in

Tamil Nadu Tamil Nadu (; , TN) is the southernmost States and union territories of India, state of India. The List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of Indi ...

. This rich wildlife is attributed to the diverse relief features as well as favorable climate and vegetation in the Indian state. Recognizing the state's role in preserving the current environment, the state government has established several wildlife and bird sanctuaries as well as national parks, which entail stringent protective measures. Tamil Nadu is also included in the International Network of Biosphere Reserves, which facilitates international recognition and additional funding. There are five national parks and 17 wildlife sanctuaries that serve as homes to the wildlife.

Mammals

Tamil Nadu is known for the diversity of its mammals due to the varying environments that sustain both dry and moist deciduous forests. Notable species include arboreal animals distributed in its hills, grasslands, mangroves, scrubs and forests. These also include vulnerable species like the

Bengal tiger The Bengal tiger is a population of the ''Panthera tigris tigris'' subspecies and the nominate tiger subspecies. It ranks among the largest wild cats alive today. It is estimated to have been present in the Indian subcontinent since the Late ...

Nilgiri tahr The Nilgiri tahr (''Nilgiritragus hylocrius'') is an ungulate that is endemic to the Nilgiri Hills and the southern portion of the Western and Eastern Ghats in the states of Tamil Nadu and Kerala in southern India. It is the only species in th ...

, and the

lion-tailed macaque The lion-tailed macaque (''Macaca silenus''), also known as the wanderoo, is an Old World monkey endemic to the Western Ghats of South India. Characteristics Lion-tailed macaques are covered in black fur, and have a striking gray or silver ...

. Other mammals found in Tamil Nadu include: *

Asian elephant The Asian elephant (''Elephas maximus''), also known as the Asiatic elephant, is the only living ''Elephas'' species. It is the largest living land animal in Asia and the second largest living Elephantidae, elephantid in the world. It is char ...

Indian leopard The Indian leopard (''Panthera pardus fusca'') is a subspecies of the leopard (''P. pardus''). It is widely distributed on the Indian subcontinent. It is threatened by illegal trade of skins and body parts, and persecution due to human-leopard ...

sloth bear The sloth bear (''Melursus ursinus''), also known as the Indian bear, is a myrmecophagous bear species native to the Indian subcontinent. It feeds on fruits, ants and termites. It is listed as vulnerable on the IUCN Red List, mainly because of ...

gaur The gaur (''Bos gaurus''; ) is a large bovine native to the Indian Subcontinent and Southeast Asia, and has been listed as Vulnerable species, Vulnerable on the IUCN Red List since 1986. The global population was estimated at a maximum of 21,000 ...

wild boar The wild boar (''Sus scrofa''), also known as the wild swine, common wild pig, Eurasian wild pig, or simply wild pig, is a Suidae, suid native to much of Eurasia and North Africa, and has been introduced to the Americas and Oceania. The speci ...

Nilgiri langur The Nilgiri langur (''Semnopithecus johnii'') is an Asian langur of the Old World monkey. It has glossy, black fur and an orangey-golden brown, hair-like mane on its head. Females have a white patch of fur on the inner thigh. It typically lives ...

* grey langur *

bonnet macaque The bonnet macaque (''Macaca radiata''), also known as zati,Chambers English Dictionary is a species of macaque endemism, endemic to southern India. Its distribution is limited by the Indian Ocean on three sides and the Godavari River, Godavari a ...

four-horned antelope The four-horned antelope (''Tetracerus quadricornis''), also called ''chousingha'', is a small bovid antelope native to central, South and Western India, along with a smaller population in Nepal. The sole member of the genus ''Tetracerus'', t ...

dhole The dhole ( ; ''Cuon alpinus'') is a canid native to South, East and Southeast Asia. It is anatomically distinguished from members of the genus ''Canis'' in several aspects: its skull is convex rather than concave in profile, it lacks a third ...

honey badger The honey badger (''Mellivora capensis''), also known as the ratel ( or ), is a mammal widely distributed across Africa, Southwest Asia, and the Indian subcontinent. It is the only living species in both the genus ''Mellivora'' and the subfami ...

tree shrew The treeshrews (also called tree shrews or banxrings) are small mammals native to the tropical forests of South and Southeast Asia. They make up the entire Order (biology), order Scandentia (from Latin ''scandere'', "to climb"), which split into ...

sambar deer The sambar (''Rusa unicolor'') is a large deer native to the Indian subcontinent, South China and Southeast Asia that is listed as a vulnerable species on the IUCN Red List since 2008. Populations have declined substantially due to severe huntin ...

mouse deer Chevrotains, or mouse-deer, are small, even-toed ungulates that make up the family Tragulidae, and are the only living members of the infraorder Tragulina. The 10 extant species are placed in three genera, but several species also are k ...

Indian muntjac The Northern red muntjac (''Muntiacus vaginalis'') is a species of muntjac. It is found in numerous countries of south-central and southeast Asia. The northern red muntjac inhabits various forest types, from tropical rainforests to deciduous an ...

jungle cat The jungle cat (''Felis chaus''), also called reed cat and swamp cat, is a medium-sized cat native from the Eastern Mediterranean region and the Caucasus to parts of Central, South and Southeast Asia. It inhabits foremost wetlands like swamps, ...

leopard cat The leopard cat (''Prionailurus bengalensis'') is a Felinae, small wild cat native to continental South Asia, South, Southeast Asia, Southeast, and East Asia. Since 2002 it has been listed as Least Concern on the IUCN Red List as it is widely di ...

small Indian civet The small Indian civet (''Viverricula indica'') is a civet native to South and Southeast Asia. It is listed as Least Concern on the IUCN Red List because of its widespread distribution, widespread habitat use and healthy populations living in agr ...

Asian palm civet The Asian palm civet (''Paradoxurus hermaphroditus''), also called common palm civet, toddy cat and musang, is a viverrid native to South and Southeast Asia. Since 2008, it is IUCN Red Listed as Least Concern as it accommodates to a broad range o ...

small Indian mongoose The small Indian mongoose (''Urva auropunctata'') is a mongoose species native to Iraq and northern India; it has also been introduced to several Caribbean and Pacific islands. Taxonomy ''Mangusta auropunctata'' was the scientific name proposed ...

blackbuck The blackbuck (''Antilope cervicapra''), also known as the Indian antelope, is a medium-sized antelope native to India and Nepal. It inhabits grassy plains and lightly forested areas with perennial water sources. It stands up to high at the sh ...

chital The chital or cheetal (''Axis axis''; ), also called spotted deer, chital deer and axis deer, is a deer species native to the Indian subcontinent. It was first described by Johann Christian Polycarp Erxleben in 1777. A moderate-sized deer, mal ...

Nilgiri marten The Nilgiri marten (''Martes gwatkinsii'') is the only marten species native to southern India. It lives in the hills of the Nilgiris and parts of the Western Ghats. With only around a thousand members left it is listed as Vulnerable on the ...

Travancore flying squirrel Travancore flying squirrel (''Petinomys fuscocapillus'') is a flying squirrel found in Sri Lanka and the Western Ghats of South India. Travancore flying squirrels were thought to be extinct but were rediscovered in 1989 after a gap of 100 years ...

grizzled giant squirrel The grizzled giant squirrel (''Ratufa macroura'') is a large tree squirrel in the genus '' Ratufa'' found in the highlands of the Central and Uva provinces of Sri Lanka, and in patches of riparian forest along the Kaveri River and in the hil ...

Indian giant flying squirrel The Indian giant flying squirrel (''Petaurista philippensis''), also called the large brown flying squirrel or the common giant flying squirrel, is a species of rodent in the family Sciuridae. It is capable of gliding flight using a skin membrane ...

* Indian palm squirrel * black-naped hare * grey slender loris *

Indian pangolin The Indian pangolin (''Manis crassicaudata''), also called thick-tailed pangolin and scaly anteater, is a pangolin native to the Indian subcontinent. Like other pangolins, it has large, overlapping Scale (zoology), scales on its body which act as ...

Malabar spiny dormouse The Malabar spiny dormouse (''Platacanthomys lasiurus'') is a species of muroid rodent endemic to the Western Ghats of India. It is the only extant species in the genus ''Platacanthomys'' and although resembling a dormouse, it is not closely re ...

Bengal fox The Bengal fox (''Vulpes bengalensis''), also known as the Indian fox, is a fox endemic to the Indian subcontinent from the Himalayan foothills and Terai of Nepal through southern India, and from southern and eastern Pakistan to eastern India an ...

smooth-coated otter The smooth-coated otter (''Lutrogale perspicillata'') is a freshwater otter species from regions of South and Southwest Asia, with the majority of its numbers found in Southeast Asia. It has been ranked as " vulnerable" on the IUCN Red List since ...

Asian small-clawed otter The Asian small-clawed otter (''Aonyx cinereus''), also called oriental small-clawed otter and small-clawed otter, is an otter species native to South and Southeast Asia. It has short claws that do not extend beyond the pads of its webbed digits ...

bare-bellied hedgehog The bare-bellied hedgehog (''Paraechinus nudiventris''), also known as the Madras hedgehog, is a species of hedgehog that is endemic to dry arid regions and scrubby jungles in southeastern India. As it was believed to be rare, it was formerly l ...

Indian crested porcupine The Indian crested porcupine (''Hystrix indica'') is a hystricomorph rodent species native to southern Asia and the Middle East. It is listed as Least Concern on the IUCN Red List. It belongs to the Old World porcupine family, Hystricidae. Des ...

Birds

Birds found in Tamil Nadu include: * Malabar trogon *

Malabar pied hornbill The Malabar pied hornbill (''Anthracoceros coronatus''), also known as the lesser pied hornbill, is a bird in the hornbill family, a family of tropical near-passerine birds found in the Old World. Taxonomy The Malabar pied hornbill was descri ...

* Nilgiri wood-pigeon * Nilgiri laughing thrush *

peregrine falcon The peregrine falcon (''Falco peregrinus''), also known simply as the peregrine, is a Cosmopolitan distribution, cosmopolitan bird of prey (raptor) in the family (biology), family Falconidae renowned for its speed. A large, Corvus (genus), cro ...

Bonelli's eagle Bonelli's eagle (''Aquila fasciata'') is a large bird of prey. The common name of the bird commemorates the Italian ornithologist and collector Franco Andrea Bonelli. Bonelli is credited with gathering the type specimen, most likely from an expl ...

dollarbird The Oriental dollarbird (''Eurystomus orientalis'') is a bird of the roller family, so named because of the distinctive pale blue or white, coin-shaped spots on its wings. It can be found from Australia to Korea, Japan and India. Taxonomy The O ...

Nilgiri pipit The Nilgiri pipit (''Anthus nilghiriensis'') is a distinctive species of pipit that is endemic to the high altitude hills of southern India. Richer brown in colour than other pipits in the region, it is distinctive in having the streaking on th ...

little spiderhunter The little spiderhunter (''Arachnothera longirostra'') is a species of long-billed nectar-feeding bird in the family Nectariniidae found in the moist forests of South and Southeast Asia. Unlike typical sunbirds, males and females are very similar ...

* white-bellied shortwing *

little ringed plover The little ringed plover (''Charadrius dubius'') is a small plover. The genus name ''Charadrius'' is a Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate. It derives from Ancient Greek ''kharadrios'' a bird found in river ...

* Indian swiftlet *

white-bellied treepie The white-bellied treepie (''Dendrocitta leucogastra'') is a bird of the crow family endemic to the forests of southern India. They overlap in distribution in some areas with the rufous treepie but are easy to tell apart both from appearance and ...

white-bellied woodpecker The white-bellied woodpecker or great black woodpecker (''Dryocopus javensis'') is a woodpecker species inhabiting evergreen forests in tropical Indian subcontinent and Southeast Asia. It is among the largest of the Asiatic woodpeckers and nests ...

green imperial pigeon The green imperial pigeon (''Ducula aenea'') is a large forest pigeon. The large range extends from Nepal, southern India and Sri Lanka eastwards to southern China, Indonesia and the Philippines. Taxonomy In 1760 the French zoologist Mathurin Ja ...

Nilgiri flycatcher The Nilgiri flycatcher (''Eumyias albicaudatus'') is an Old World flycatcher with a very restricted range in the hills of southern India. It was formerly referred to as the Nilgiri verditer flycatcher because of its similarity to the verditer ...

great eared nightjar The great eared nightjar (''Lyncornis macrotis'') is a species of nightjar in the family Caprimulgidae. It is found in southwest India and in parts of Southeast Asia. This very large nightjar has long barred wings, a barred tail and long ear-tuft ...

grey junglefowl The gray junglefowl (''Gallus sonneratii''), also known as Sonnerat's junglefowl, is one of the wild ancestors of the domestic chicken together with the red junglefowl and other junglefowls. The species epithet commemorates the French explorer ...

heart-spotted woodpecker The heart-spotted woodpecker (''Hemicircus canente'') is a species of bird in the Picidae, woodpecker family. It has a contrasting black and white plumage, a distinctively stubby body and a large wedge-shaped head making it easy to identify while ...

peafowl Peafowl is a common name for two bird species of the genus '' Pavo'' and one species of the closely related genus '' Afropavo'' within the tribe Pavonini of the family Phasianidae (the pheasants and their allies). Male peafowl are referred t ...

grey-fronted green pigeon The grey-fronted green pigeon (''Treron affinis'') is a pigeon in the genus ''Treron''. It is found in the forests of the Western Ghats in India. Many authorities have split the species from the pompadour green pigeon complex. Description The m ...

wood sandpiper The wood sandpiper (''Tringa glareola'') is a small wader belonging to the sandpiper family Scolopacidae. A Eurasian species, it is the smallest of the shanks, a genus of mid-sized, long-legged waders that largely inhabit freshwater and wetland e ...

vernal hanging parrot The vernal hanging parrot (''Loriculus vernalis'') is a small parrot which is a resident breeder in the Indian subcontinent and some other areas of Southeast Asia. It undergoes local movements, driven mainly by the availability of the fruit, seed ...

* Malabar parakeet *

white-browed bulbul The white-browed bulbul (''Pycnonotus luteolus'') is a member of the bulbul family of passerine birds. It is a resident breeder in Sri Lanka and peninsular India. Largely olive coloured above with whitish underparts, it has a pale supercilium and ...

stork-billed kingfisher The stork-billed kingfisher (''Pelargopsis capensis''), is a tree kingfisher which is widely but sparsely distributed in the tropical Indian subcontinent and Southeast Asia, from India to Indonesia. These kingfishers are large and have a heavy bi ...

* grey-headed fish-eagle *

brown-capped pygmy woodpecker The brown-capped pygmy woodpecker or Indian pygmy woodpecker (''Yungipicus nanus'') is a species of very small woodpecker found in Nepal, India and Sri Lanka. Some taxonomic authorities continue to place this species in the genus ''Dendrocopos'' ...

black-and-orange flycatcher The black-and-orange flycatcher (''Ficedula nigrorufa'') or black-and-rufous flycatcher is a species of Old World flycatcher, flycatcher endemic to the central and southern Western Ghats, the Nilgiris (mountains), Nilgiris and Palni Hills, Palni ...

brown-headed barbet The brown-headed barbet (''Psilopogon zeylanicus'') is an Asian barbet species native to the Indian subcontinent, where it inhabits tropical and subtropical moist broadleaf forests. Taxonomy The brown-headed barbet was formally described in 17 ...

* blue-bearded bee-eater *

broad-tailed grassbird The broad-tailed grassbird (''Schoenicola platyurus'') is a species of Old World warbler in the family Locustellidae. It is endemic to the Western Ghats of India with a possibility of occurrence in Sri Lanka. A small, mostly brown bird, it ha ...

cormorant Phalacrocoracidae is a family of approximately 40 species of aquatic birds commonly known as cormorants and shags. Several different classifications of the family have been proposed, but in 2021 the International Ornithologists' Union (IOU) ado ...

darter The darters, anhingas, or snakebirds are mainly tropical waterbirds in the family Anhingidae, which contains a single genus, ''Anhinga''. There are four living species, three of which are very common and widespread while the fourth is rarer and c ...

heron Herons are long-legged, long-necked, freshwater and coastal birds in the family Ardeidae, with 75 recognised species, some of which are referred to as egrets or bitterns rather than herons. Members of the genus ''Botaurus'' are referred to as bi ...

egret Egrets ( ) are herons, generally long-legged wading birds, that have white or buff plumage, developing fine plumes (usually milky white) during the breeding season. Egrets are not a biologically distinct group from herons and have the same build ...

* open-billed stork *

spoonbill Spoonbills are a genus, ''Platalea'', of large, long-legged wading birds. The spoonbills have a global distribution, being found on every continent except Antarctica. The genus name ''Platalea'' derives from Ancient Greek and means "broad", refe ...

white ibis White ibis may refer to several birds: * American white ibis, ''Eudocimus albus'' * Australian white ibis, ''Threskiornis molucca'' ** Solomons white ibis or Solomon Islands white ibis, ''Threskiornis (molucca) pygmaeus'' * Asiatic white ibis, an al ...

little grebe The little grebe (''Tachybaptus ruficollis''), also known as dabchick, is a member of the grebe family of water birds. The genus name is from Ancient Greek ''takhus'' "fast" and ''bapto'' "to sink under". The specific ''ruficollis'' is from Latin ...

* Indian moorhen *

black-winged stilt The black-winged stilt (''Himantopus himantopus'') is a widely distributed, very long-legged wader in the avocet and stilt family Recurvirostridae. Its scientific name, ''Himantopus himantopus'', is sometimes used to generalize a single, almost ...

There are also a few migratory

duck Duck is the common name for numerous species of waterfowl in the family (biology), family Anatidae. Ducks are generally smaller and shorter-necked than swans and goose, geese, which are members of the same family. Divided among several subfam ...

s and occasionally a grey pelican.

Marine species

Marine species include the

dugong The dugong (; ''Dugong dugon'') is a marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest ...

turtle Turtles are reptiles of the order (biology), order Testudines, characterized by a special turtle shell, shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Crypt ...

dolphin A dolphin is an aquatic mammal in the cetacean clade Odontoceti (toothed whale). Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontopori ...

and ''

Balanoglossus ''Balanoglossus'' is a genus of ocean-dwelling acorn worms. It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' specimens are deuterostomes, and r ...

''.

Insects

Butterfly species found in Tamil Nadu include: * southern birdwing * common rose *

crimson rose ''Atrophaneura Hector'', the crimson rose, is a large swallowtail butterfly belonging to the genus ''Pachliopta'' (roses) of the red-bodied swallowtails. It is recorded as a species of "Least Concern (LC)" by IUCN. Range It is found in India ...

* common bluebottle *

common jay ''Graphium doson'', the common jay, is a black, tropical swallowtail butterfly, papilionid (swallowtail) butterfly with pale blue semi-transparent central wing bands that are formed by large spots. There is a marginal series of smaller spots. The ...

* tailed jay * spot swordtail * five-bar swordtail * common mime * Malabar banded swallowtail *

Malabar raven ''Papilio dravidarum'', the Malabar raven, is a species of swallowtail butterfly. It is endemic to the Western Ghats of India. Description The Malabar raven is a blackish-brown tailless swallowtail butterfly, about 80 to 100 mm in size. B ...

* red Helen * common Mormon * blue Mormon * Paris peacock *

Malabar banded peacock ''Papilio buddha'', the Malabar banded peacock, is a species of swallowtail butterfly found in the Western Ghats of India. The Government of Kerala declared it as the official Kerala state butterfly''Papilio buddha'' is a threatened species ...

* common banded peacock * common emigrant *

mottled emigrant ''Catopsilia pyranthe'', the mottled emigrant, is a medium-sized butterfly of the family Pieridae found in south Asia, southeast Asia, and parts of Australia. Description Male The upperside is chalky white, slightly tinted in some specimens wi ...

* small grass yellow * common grass yellow *

common Jezebel ''Delias eucharis'', the common Jezebel, is a medium-sized Pieridae, pierid butterfly found in many areas of South Asia, south and southeast Asia, especially in the non-arid regions of India, Bangladesh, Sri Lanka, Indonesia, Myanmar and Thailan ...

* Psyche butterfly *

common gull The common gull (''Larus canus'') is a medium-sized gull that breeds in cool temperate regions of the Palearctic from Iceland and Scotland east to Kamchatka in the Russian Far East. Most common gulls bird migration, migrate further south in wint ...

* lesser gull * caper white * plain puffin * chocolate albatross * common albatross * lesser albatross * small orange tip * white orange tip * yellow orange tip * common wanderer * great orange tip * tawny coaster

Reptiles

Reptilian species found in Tamil Nadu include: *

mugger crocodile The mugger crocodile (''Crocodylus palustris'') is a medium-sized broad-snouted crocodile, also known as mugger and marsh crocodile. It is native to freshwater habitats from south-eastern Iran to the Indian subcontinent, where it inhabits marsh ...

king cobra The king cobra (''Ophiophagus hannah'') is a species complex of snakes Endemism, endemic to Asia. With an average of and a record length of , it is the world's longest venomous snake and among the heaviest. Under the genus ''Ophiophagus'', i ...

* bamboo pit viper *

Indian cobra The Indian cobra (''Naja naja /na''dʒa nadʒa/), also known Common name, commonly as the spectacled cobra, Asian cobra, or binocellate cobra, is a species of Naja, cobra, a venomous snake in the Family (biology), family Elapidae. The species is ...

Indian python The Indian python (''Python molurus'') is a large Pythonidae, python species native to tropical and subtropical regions of the Indian subcontinent and Southeast Asia. It is also known by the common names black-tailed python, Indian rock python, ...

Travancore tortoise The Travancore tortoise (''Indotestudo travancorica'') is a large forest tortoise growing up to in length. The species was Species description, first described by George Albert Boulenger in 1907. It primarily feeds on grasses and herbs. It als ...

spectacled cobra The Indian cobra (''Naja naja /na''dʒa nadʒa/), also known commonly as the spectacled cobra, Asian cobra, or binocellate cobra, is a species of cobra, a venomous snake in the family Elapidae. The species is native to the Indian subcontinent, ...

* common krait * common green whip snake * Russell's kukri * common Indian monitor * Indian chameleon * oriental garden lizard * South Indian flying lizard *

olive ridley turtle The olive ridley sea turtle (''Lepidochelys olivacea''), also known commonly as the Pacific ridley sea turtle, is a species of turtle in the family Cheloniidae. The species is the second-smallest and most abundant of all sea turtles found in t ...

* Cochin forest cane turtle *

Indian black turtle The Indian black turtle (''Melanochelys trijuga'') or Indian pond terrapin is a species of medium-sized freshwater turtle found in South Asia. Description Their shell is a typically made up of shades of dark brown, green, or grey, not just blac ...

Russell's viper Russell's viper (''Daboia russelii)'' is a species of highly venomous snake in the Family (biology), family Viperidae. The species is native to South Asia. It was Species description, described in 1797 by George Shaw (biologist), George Shaw and ...

saltwater crocodile The saltwater crocodile (''Crocodylus porosus'') is a crocodilian native to saltwater habitats, brackish wetlands and freshwater rivers from India's east coast across Southeast Asia and the Sundaland to northern Australia and Micronesia. It ha ...

There are also various species of skinks and geckos.

Amphibians

Amphibian species include:Sajeev T.K. et al., Management of Forests in India for Biological Diversity and Forest Productivity- A New Perspective WII-USDA Forest Service Collaborative Project Grant No. FG-In-780 (In-FS-120), Volume III (ACA) pp 41-16
Anaimalai Conservation Area
/ref> * large wrinkled frog * Malabar black narrow mouthed frog * Kerala warty frog * pigmy wrinkled frog * burrowing frog

References

* Government of Tamil Nadu, Department of Environment, State of Environment Report - 2005, Biodiversity
Chapt. 11.2 Tamil Nadu's Biodiversity
{{Tamil Nadu

Environment of Tamil Nadu Tourism in Tamil Nadu