Mangalavanam is an ecologically sensitive area situated at the centre of the

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

n city of

Kochi Kochi (), also known as Cochin ( ) ( the official name until 1996) is a major port city on the Malabar Coast of India bordering the Laccadive Sea, which is a part of the Arabian Sea. It is part of the district of Ernakulam in the state of K ...

, covering about 2.74 hectares. It also houses a shallow tidal lake connected with Kochi backwaters by a canal. It is situated behind the

Kerala High Court The High Court of Kerala is the highest court in the Indian state of Kerala and the Union territory of Lakshadweep. It is located in Kochi. Drawing its powers under Article 226 of the Constitution of India, the High Court has the power to issu ...

building. It is a nesting ground for a large variety of

migratory birds Bird migration is the regular seasonal movement, often north and south along a flyway, between breeding and wintering grounds. Many species of bird migrate. Migration carries high costs in predation and mortality, including from hunting by ...

and supports many types of

mangroves A mangrove is a shrub or tree that grows in coastal saline or brackish water. The term is also used for tropical coastal vegetation consisting of such species. Mangroves are taxonomically diverse, as a result of convergent evolution in several ...

. The Managalavanam is often regarded as the "green lung of Kochi", considering its role in keeping the city's air pollution under check. The area is a roosting place for many kinds of resident and migratory birds. Recently the

high-rise buildings A tower block, high-rise, apartment tower, residential tower, apartment block, block of flats, or office tower is a tall building, as opposed to a low-rise building and is defined differently in terms of height depending on the jurisdictio ...

surrounding the area are curtailing the movement of birds in the sanctuary. The buildings close to the sanctuary interrupt proper orientation, take-off and landings of the birds. They also cause hurdles in the regular movements of the nesting birds in transporting nesting materials. It is also likely to hinder the movement of birds while bringing food materials to the chicks and fledglings. The administrative control of the sanctuary is with the Assistant Conservator of Forest and Wildlife Warden Mangalavanam Bird Sanctuary of Nature Study Centre Kalady and then to the Range Officer Research Range Kodanad.

Flora and fauna

The true mangrove and mangrove associate species that exist in the sanctuary are

Avicennia officinalis ''Avicennia officinalis'' is a species of mangrove also known as Indian mangrove. It is named after the famous Persian scientist Ibn Sina. The young tree forms a low, dense bushy crown. When it matures, it forms a columnar tree up to 15 m and m ...

Rhizophora mucronata ''Rhizophora mucronata'' (loop-root mangrove, red mangrove or Asiatic mangrove) is a species of mangrove found on coasts and river banks in East Africa and the Indo-Pacific region. Description ''Rhizophora mucronata'' is a small to medium si ...

Acanthus ilicifolius ''Acanthus ilicifolius'', commonly known as holly-leaved acanthus, sea holly, and holy mangrove is a species of shrubs or herbs, of the plant family Acanthaceae, native to Australia, Australasia, and Southeast Asia. It is used as medicine in asth ...

and

Acrostichum aureum ''Acrostichum aureum'', the golden leather fern, is a large species of fern that grows in mangrove swamps and other wet locations. Other common names include swamp fern and mangrove fern. Description The golden leather fern has large fronds ...

— Although not threatened species according to

IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...

, they are of vital importance in estuarine

ecosystems An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the syste ...

. Mangalavanam is primarily a bird refuge. A bird survey conducted in May 2006 found that there were 194 birds belonging to 32 species. The total number of bird species recorded so far from the area is 72. Some of the birds found are

common redshank The common redshank or simply redshank (''Tringa totanus'') is a Eurasian wader in the large family Scolopacidae. Taxonomy The common redshank was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his ...

common greenshank The common greenshank (''Tringa nebularia'') is a wader in the large family Scolopacidae, the typical waders. The genus name ''Tringa'' is the New Latin name given to the green sandpiper by Aldrovandus in 1599 based on Ancient Greek ''trungas'' ...

brahminy kite The brahminy kite (''Haliastur indus''), formerly known as the red-backed sea-eagle in Australia, is a medium-sized bird of prey in the family Accipitridae, which also includes many other diurnal raptors, such as eagles, buzzards, and harriers. ...

white-breasted waterhen The white-breasted waterhen (''Amaurornis phoenicurus'') is a waterbird of the rail and crake family, Rallidae, that is widely distributed across South and Southeast Asia. They are dark slaty birds with a clean white face, breast and belly. They ...

and

marsh sandpiper The marsh sandpiper (''Tringa stagnatilis'') is a small wader. It is a rather small shank, and breeds in open grassy steppe and taiga wetlands from easternmost Europe to the Russian Far East. The genus name ''Tringa'' is the New Latin name given ...

. In a recent study revealed six species of mammals Indian flying-fox,

painted bat The painted bat (''Kerivoula picta'') or painted wooly bat is a species of vesper bat in the family Vespertilionidae. It is also known as "butterfly bat" (''projapoti badur''), "rongin chamchika" (coloured bat) or "komola-badami chamchika" (oran ...

, three-striped palm squirrel/ dusky palm squirrel, house rat/

black rat The black rat (''Rattus rattus''), also known as the roof rat, ship rat, or house rat, is a common long-tailed rodent of the stereotypical rat genus ''Rattus'', in the subfamily Murinae. It likely originated in the Indian subcontinent, but is n ...

bandicota ''Bandicota'' is a genus of rodents from Asia known as the bandicoot rats. Their common name and genus name are derived from the Telugu language word ''pandikokku'' (పందికొక్కు). DNA studies have found the group to be a monop ...

, and

Eurasian otter The Eurasian otter (''Lutra lutra''), also known as the European otter, Eurasian river otter, common otter, and Old World otter, is a semiaquatic mammal native to Eurasia. The most widely distributed member of the otter subfamily (Lutrinae) of ...

. Two species of

amphibians Amphibians are four-limbed and ectothermic vertebrates of the class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arbore ...

Limnonectes limnocharis Minervarya andamanensis, commonly known as the Andaman frog, chestnut-brown frog, or Andaman wart frog Duttaphrynus melanostictus ''Duttaphrynus melanostictus'' is commonly called Asian common toad, Asian black-spined toad, Asian toad, black-spectacled toad, common Sunda toad, and Javanese toad. It is probably a complex of more than one true toad species that is widely d ...

, and seven species of fishes

Anabas testudineus The climbing perch (''Anabas testudineus'') is a species of amphibious freshwater fish in the family Anabantidae (the climbing gouramis). A labyrinth fish native to Far Eastern Asia, the fish inhabits freshwater systems from Pakistan, India, ...

Striped panchax The striped panchax (''Aplocheilus lineatus'') is a species of killifish, of the genus ''Aplocheilus''. An aquarium variant of this species with a more yellowish coloration is known as golden wonder killifish. The striped panchax inhabits fresh ...

, Malabar swamp eel,

Orange chromide The orange chromide (''Pseudetroplus maculatus'') is a species of cichlid fish that is endemic to freshwater and brackish streams, lagoons and estuaries in southern India and Sri Lanka.Pethiyagoda, R., Maduwage, K. & Manamendra-Arachchi, K. (2014 ...

Blackline rasbora The blackline rasbora (''Rasbora borapetensis'') is a fish of the family Cyprinidae found in Asia in the Mekong, Chao Phraya, and Mae Klong basins, and also the northern Malay Peninsula. In the aquarium trade, it is known by a variety of other na ...

Etroplus suratensis The green chromide (''Etroplus suratensis'') is a species of cichlid fish that is native to fresh and brackish water habitats in some parts in India such as Kerala, Goa, Chilika Lake in Odisha and Sri Lanka. The species was first described by ...

and Sarotherodon mossambica are found here. During a study conducted in 2006, 17 species of

butterflies Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...

were recorded in this area. 51 species of

spiders Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species dive ...

belonging to 40

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

and 16

families Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Ideall ...

were recorded here. This represented 27% of the total families reported from

References

Gallery

File:Welcome Arch Mangalavanam Bird Sanctuary.jpg, Welcome board on Dr. Salim Ali Road File:Mangalavanam Bird Sanctuary Entry Gate.jpg, Entry gate File:Nakshatravana Garden of Mangalavanam.jpg, Nakshatravana File:Statue of Buddha at Mangalavanam.jpg, Statue of Buddha near the entry gate Bird sanctuaries of Kerala Protected areas of Kerala 2004 establishments in Kerala Tourist attractions in Kochi Geography of Kochi Protected areas established in 2004 {{Ernakulam-geo-stub