Udayamarthandapuram Bird Sanctuary is a .45 km2 (0.2 sq mi)
protected area
Protected areas or conservation areas are locations which receive protection because of their recognized natural, ecological or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the ena ...
in
Tiruvarur District
Thiruvarur district is one of the 38 districts in the Tamil Nadu state of India. As of 2011, the district had a population of 1,264,277 with a sex-ratio of 1,017 females for every 1,000 males.
Geography
The district occupies an area of 2,161 ...
,
Tamil Nadu
Tamil Nadu (; , TN) is a States and union territories of India, state in southern India. It is 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 India ...
, India at .
In 1999, this sanctuary was declared as a protected area. It has been designated as a protected
Ramsar site
A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention,8 ha (O)
*** Permanent 8 ha (P)
*** Seasonal Intermittent < 8 ha(Ts)
**
Fauna
A notable aspect of the sanctuary is the large number of
purple moorhen The purple swamphen has been split into the following species:
* Western swamphen, ''Porphyrio porphyrio'', southwest Europe and northwest Africa
* African swamphen, ''Porphyrio madagascariensis'', sub-Saharan continental Africa and Madagascar
* Gr ...
and
openbill stork
The openbill storks or openbills are two species of stork (family (biology), family ''Ciconiidae'') in the genus ''Anastomus''. They are large wading birds characterized by large bills, the mandibles of which do not meet except at the tip. This f ...
The Udayamarthandapuram Bird Sanctuary covers an area of around 45 km2 and is fed by an irrigation tank that receives water from the Mettur Dam. The tank remains dry between the months of April and August.
During the months of February and March, purple-moorhens and openbill storks can be seen here. Other
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 ...
in the sanctuary include the white-
ibis
The ibises () (collective plural ibis; classical plurals ibides and ibes) are a group of long-legged wading birds in the family Threskiornithidae, that inhabit wetlands, forests and plains. "Ibis" derives from the Latin and Ancient Greek word f ...
, Indian reef
heron
The herons are long-legged, long-necked, freshwater and coastal birds in the family Ardeidae, with 72 recognised species, some of which are referred to as egrets or bitterns rather than herons. Members of the genera ''Botaurus'' and ''Ixobrychus ...
,
white-necked stork
The Asian woolly-necked stork or Asian woollyneck (''Ciconia episcopus'') is a species of large wading bird in the stork family Ciconiidae. It breeds singly, or in small loose colonies. It is distributed in a wide variety of habitats including m ...
coot
Coots are medium-sized water birds that are members of the rail family, Rallidae. They constitute the genus ''Fulica'', the name being the Latin term for "coot". Coots have predominantly black plumage, and—unlike many rails—they are usually ...
little cormorant
The little cormorant (''Microcarbo niger'') is a member of the cormorant family of seabirds. Slightly smaller than the Indian cormorant it lacks a peaked head and has a shorter beak. It is widely distributed across the Indian Subcontinent and ex ...
,
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 ...
and
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 ...
.
From September through December, the bird population inhabiting the sanctuary rises to around 10,000 birds. The ideal season to visit this sanctuary is during the months of November and December.