The pond receives water from catchment areas around the reservoir and also the Nallar river. But for the past several years, the branch of the river has turned into a sewage line.
According to TN Science Forum State member A Eswaran, "Being the largest pond in Tiruppur, Nanjarayan attracted a huge number of birds for several decades."
A large number of migratory birds come from Russia, Bangladesh, Pakistan, Sri Lanka, Mongolia, Kazakhstan and Nigeria every year during November to February.
Phase 2 of synchronised bird census ends; 339 wetlands in 25 districts identified, surveyed
The rainfed Chettikulam tank near Sawyerpuram has stored water up to its full capacity now, thanks to the intense northeast monsoon, which has attracted a large number of birds.
Gomati Divisional Forest Officer Mahendra Singh and Udaipur Sub-divisional Forest Officer Kamal Bhowmik visited the site on Thursday and collected one carcass for post-mortem examination.
Bellandur Lake, which once used to welcome 50,000 ducks, and Hebbal Lake 8,000 of them, are not seeing their arrivals lately.
The number of migratory birds flocking to Bhitarkanika National Park has increased marginally this year.
Most prominent of the winged visitors were Lesser Whistling Ducks whose number exceeded 50,000 during the annual bird census by Hirakud Wildlife Division.
With the season of migratory birds at its peak, birding experts share a tell-all guide to find these guests in the underrated pockets of the city for an epic spectacle.
Every winter, there’s exhilaration among bird watchers as they witness rare species of migratory birds that arrive at wetlands and other green zones across Delhi-NCR.
A webinar involving Bombay Natural History Society (BNHS) and Salim Ali Centre for Ornithology and Natural History and Wildlife Institute of India will be held before the bird estimation.
Ornithologists say the increase in bird visits is due to the presence of organisms such as zooplankton, prawns, and types of Benthic fauna between habitats.
Kaliveli wetland system is one of the largest waterfowl congregation sites in Tamil Nadu, and a well-known raptor roosting site for some bird species.
Ornithologists have spotted around 209 species in the area and it could achieve the status of a bird sanctuary soon, if the state government shows the green light.