Thursday 13 October 2022

Annual migration of birds throughout the Indian subcontinent has begun

As billions of birds take to the air for migration, one among Nature’s biggest spectacles, over 400 species congregate throughout the Indian subcontinent. The place are you able to see them?

As billions of birds take to the air for migration, one among Nature’s biggest spectacles, over 400 species congregate throughout the Indian subcontinent. The place are you able to see them?

Final month, in a primary, fowl watchers from throughout the nation congregated at Bhuj in Kutch district, Gujarat. They documented eight birds — European curler, red-backed and red-tailed shrike, noticed flycatcher, rufous-tailed scrub-robin, larger white throat, widespread cuckoo and blue-cheeked bee-eater — that landed in Gujarat after marathon flights from Central Asia and Europe.

“These birds, referred to as passage migrants, take a brief break to relaxation and rejuvenate in western India earlier than crossing the Indian Ocean to succeed in their wintering grounds in Africa,” says P Jeganathan of Tamil Birders Community who took half within the survey, including that one can catch a glimpse of those birds solely throughout this quick window on the stopover.

Over 400 species of migratory birds are reported to go to India yearly right now of the 12 months signifying the start of migration. They take 9 flyways (together with the Central Asian Flyway that covers 30 international locations together with India) internationally and a few uncommon routes throughout this flight. “It’s an thrilling time as a variety of extremely lovely birds go by means of India, and plenty of keep right here for the winter,” says Bengaluru-based Ashvin Viswanathan, a scientist at Hen Rely India, which helps itemizing and monitoring of birds throughout India.

Two weeks in the past, the greenish warbler arrived in Bengaluru, after flying hundreds of kilometres from the mountains of Central Asia. “The ashy drongos that breed within the Himalayas have began coming. I hope to see flycatchers subsequent week,” provides Ashvin.

In Chennai, water birds are among the many first to reach and might be noticed round Pallikaranai, Sholinganallur marsh, Kelambakkam and Pulicat.

“We encounter a wide range of migratory birds in several habitats,” says Aravind AM, a birder in Chennai who paperwork fowl behaviour on his YouTube channel Neenglaum Aagalaam Birdwatcher. “A number of small birds in several sizes might be discovered on the fringe of wetlands — these are grouped as waders and plenty of of them go to us. Amongst sandpipers which arrive fairly early, wooden sandpipers and customary sandpipers are simply present in shallow water-bodies,” he provides.

Bar-tailed Godwit

Bar-tailed Godwit
| Photograph Credit score: Col Pankaj Sharma (Retd)

Chennai additionally will get species like yellow wagtail, citrine wagtail and white-wagtail that may be seen at Pallikaranai marsh (Marshland Park and Radial Highway), Sholinganallur or Perumbakkam marsh, close to Mohamed Sathak Faculty.

Shrubs, even in city gardens host migratory warblers, that are uninteresting brown birds, barely smaller than widespread mynas. “In case you hear a pointy ‘test test’ name in your backyard now, it might be Blyth’s reed-warbler,” says Aravind including that a number of flycatcher species like Asian brown, blue-throated blue flycatcher, Tickell’s blue flycatcher and the enchanting Indian Paradise flycatcher go to Chennai.

In Delhi, shore birds like bar-tailed godwit, widespread ringed plover, forest wagtail and Indian blue robin have been noticed at NCR and areas round Sultanpur Nationwide Park. “These birds are migrating from their summer season habitat in Jammu & Kashmir in direction of Kerala. This 12 months, we’re noticing an early motion, maybe due to early winters in Europe,” says Col Pankaj Sharma (Retd), who runs Indian Birds on Fb, which has 2.7 lakh members.

As birds migrate alongside the traditional routes, scientists are utilizing high-tech instruments like fowl ringing, radio monitoring, GPS monitoring, and satellite tv for pc telemetry to check their superb journeys. Not too long ago, a pallid harrier, a raptor was satellite tv for pc tagged and its route was monitored. The fowl travelled 6,000 kilometres and went as much as Russia.

Grey wagtail

Gray wagtail
| Photograph Credit score: T Arulvelan

Organisations just like the Bombay Pure Historical past Society (BNHS) have been a pioneer in finding out fowl migration for the reason that Twenties spearheaded by the late Dr Salim Ali, the Birdman of India. This 12 months, the flight path of Bala, the black-tailed godwit named after famend knowledgeable on fowl migration S Balachandran, was tracked by BNHS utilizing a GPS machine.

In April, the fowl left Mumbai for South-western Siberia (lined 5,000 kilometres in 47 days) and it returned after 5 months, taking a five-day flight, overlaying 4,200 kilometres. “This proves the birds’ web site constancy (returning to the identical web site that they’re used to). We are able to use the info to know extra on the routes, stoppage websites, international locations it has visited and give you an motion plan in direction of conservation,” says S Sivakumar, scientist at BNHS.

With the normal ringing methodology, restoration charges are poor: of seven lakhs birds which are ringed, the restoration fee is a mere 3,500 birds. Satellite tv for pc telemetry, although a expensive affair, helps monitoring correct, actual time information.

“Earlier, ringed birds from Bharatpur, Level Calimere or Chilika had been recovered and reported by birding societies in Central Asia or European international locations. Equally, birds arriving from Siberia or Arctic areas had been reported again. A lot of the shore birds that breed within the Arctic come to tropical international locations like India, Sri Lanka, Maldives, and a few go as much as Africa,” says Ramesh Kumar of BNHS.

Sivakumar provides that the position of citizen science boards, particularly contributions on e-bird boards has been immense and very important. S Balachandaran, scientist and deputy director of BNHS at Kanyakumari, who has been documenting shore birds for 4 many years at Rameswaram, Odisha, Himachal Pradesh, Pulicat in Andhra, Manipur, and West Bengal, says through the annual migration, 45 species of shore birds together with the black-tailed godwit, geese, geese, and flamingoes come to India from July onwards. “Shore birds are long-distant migrants from the Arctic. Throughout October to March, yow will discover little stints in lakhs at Kodikkarai Sanctuary.”

The place to see them?

Nanjarayan Tank Hen Sanctuary in Tiruppur recorded a lone broad-billed sandpiper, a primary sighting within the inland water physique within the State. The fowl winters on the coastal belt of the jap a part of Africa, South Asia, and South East Asia. 

B R Mahesh of Dharapuram Nature Society in Koduvai has noticed ruddy standstone, a uncommon customer from Northern Europe at Uppar Dam. It winters in coastal areas like Level Calimere, Kanyakumari, Tiruchendur and Rameshwaram

Varied species of gulls and terns are predominantly discovered alongside the shore at Pazhaverkadu(Pulicat ) lake and Adayar Estuary in Chennai. Indian pitta and Forest wagtails, although not widespread, might be discovered strolling on the forest ground, in search of bugs below leaf litter. May be seen on the forest campuses like Guindy Nationwide Park, IIT, and Theosophical society, Nanmangalam Reserve Forest, different campuses round Tambaram, small woodland patches alongside ECR. Permission could also be required to go to a few of these locations.

Birders like Angeline Mano, a Nature educator with the Salem Ornithological Basis, sit up for the flurry of fowl motion. She plans to cowl as many as 300 wetlands in Salem and in addition components of the Jap Ghats.

“We noticed 4 gray wagtails at Yercaud and one widespread sandpiper at Stanley Reservoir in Salem, signalling the arrival of first two winter guests. Migratory birds don’t breed right here, they arrive for meals and to flee the tough winters. We create consciousness on these points.”

In Valparai, a hill station within the Anamalai mountain ranges of the Western Ghats in Tamil Nadu, the arrival of gray wagtails, a migratory fowl from the Himalayas is widely known by distributing sweets and with posters that pack data on the slender, gray fowl. Says Okay Selvaganesh, a birder and trainer, “For the final seven years, the fowl has stored its date with Valparai, a sign of a thriving, wholesome ecosystem right here.”

By- The Hindu



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