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Posted by Susan Sharma on September 19, 2018

 

First release of captive-bred* vultures in Asia


Nepal and SAVE witnessed a further landmark for Asian vulture conservation on 17th September 2018, when the Government of Nepal and national and international conservation organisations released 12 critically endangered white-rumped vultures Gyps bengalensis, including the first eight birds actually hatched within the conservation breeding programme. Releases last year of birds reared (but not hatched) in the programme have so far shown very promising signs of survival and success, and in addition, 20 wild birds have now been satellite-tagged  - 11 in 2017, and a further 9 just prior to this release.


The first gate opens and several birds immediately joined the wild birds at the carcass outside. Photo: BCN

The work is a truly collaborative effort of many partners, led by Bird Conservation Nepal (BCN) and the National Trust for Nature Conservation (NTNC) together with Chitwan National Park and the Department of National Parks & Wildlife Conservation (DNPWC). The Director General of DNPWC and a small group of officials, scientists and community leaders watched as the BCN team quietly opened the doors of the release aviary using a remote pulley system. Six of the twelve vultures exited the release aviary and joined the wild birds feeding on the buffalo carcass almost immediately, and all twelve came out within half an hour. Six of the birds later returned inside the aviary where they spent the night, but immediately flew out again the following morning. The release site is at the village of Pithauli, Nawalparasi, close to Nepal’s Chitwan National Park.

“This is a world first for the release of white-rumped vultures actually bred in the Nepal breeding centre and is a major step for establishing secure wild populations now that we are confident that the veterinary use of diclofenac has been stopped in this country” said Mr Man Bahadur Khadka, DG, DNPWC.

The previous week, an expert team from the UK (Royal Society for the Protection of Birds (RSPB) and Forestry Commission) together with the BCN team had fitted satellite tags to the birds with carefully designed harnesses (using the thoracic cross-hatch method), ready so they can be monitored after the release, and give us vital information about their movements, and any problems or causes of mortality . The team also caught and tagged nine wild white-rumped vultures, which are already being monitored, to compare their movements and behaviour with the released birds.


Fitting the satellite tag and wing-tags a week before the release. Photo: BCN

“The monitoring of the satellite-tagged birds is an important way to understand how well the birds are surviving, and to assess the safety of the “Vulture Safe Zone” said Ishana Thapa, CEO of BCN.  “If these and the previously tagged birds all survive then this is a further sign that the vulture conservation efforts are working”. Krishna Bhusal, BCN’s Vulture Conservation Program Officer of BCN added: “Releasing vultures, hatched in captivity, in this location, combines our in situ and ex situ efforts to save these birds, and the process of keeping the birds in the pre-release aviary for several months before release allows them to adjust and interact with wild birds - This is an exciting day for me and all Nepal”.


The officials slowly open the first gate of the release aviary using the remote pulley. Photo: BCN

Chitwan’s Chief Conservation Officer, Bed Kumar Dhakal said “We are proud that the vulture breeding at the Breeding Centre in Chitwan National Park has taken off, with nine chicks last year and six more in 2018”.  Jemima Parry Jones, UK birds of prey expert from the International Centre for Birds of Prey (ICBP) who advises the project said “Breeding and releasing these birds is a great credit to all involved, and shows how a combination of international and national partners can work successfully together to achieve very significant results. The huge success of the VSZs has meant we can have these amazing releases and aim towards all the vultures being back out in the wild by 2023”. Craig Pritchard, senior vet representing ZSL said how the birds all appeared to be in very good condition, and how pleased and privileged he felt to be part of this joint collaborative effort.


Briefing and speeches of the release immediately beforehand. Photo: BCN

Mr DB Choudhary, the local conservation community leader added “The Nawalparasi community is proud that their area has been selected for this historic release, following a series of vulture conservation initiatives in the area including running the vulture-safe feeding site here since 2006”

Chris Bowden, RSPB and Saving Asia’s Vultures from Extinction (SAVE) Programme Manager said “The successful removal of veterinary diclofenac across Nepal thanks to a lot of hard work, is the real reason behind the success so far and without this we couldn’t have gone ahead. These are the first ever Asian vultures to have been hatched and bred within a breeding programme and taken to the concluding phase of release to the wild. This illustrates the rationale behind these efforts and if enough birds survive without encountering killer veterinary drugs, we will be on track to release all the birds by 2023”

The vulture conservation work in Nepal is carried out with the full support of DNPWC, and led by BCN. The breeding centre was established in 2008 and is jointly managed by NTNC and Chitwan National Park. The main funding (and technical) support has come from the RSPB, but significant resources also come from all organisations involved as well as the Zoological Society of London (ZSL) who provide veterinary support and helped with funds for the release aviary, and the International Centre for Birds of Prey (ICBP) in the UK.


Flying free. Photo: Rajendra Gurung BCN

Calendar of the Nepal white-rumped vulture release programme so far:

April 2017: Transfer of the first 6 captive-reared* birds from the breeding centre to the release aviary.                                                  Trapped, satellite-tagged and released 6 wild white-rumped vultures

November 2017: First release of 6 captive-reared birds.  (Note five of the six released birds still alive and well after 10 months, but one was lost, possibly predated by a leopard)

Caught and tagged 5 more wild birds.

April 2018: Transferred 12 vultures from the breeding centre to the release aviaries.

September 2018: Released the first 8 captive-bred birds*, plus a further 4 captive-reared birds.                                                                        Also tagged and released 9 more wild birds.

There is now a total of 37 satellite tagged white rumped vultures, 20 wild birds and 17 released. All were caught or released in Nawalparasi in Nepal.

*Captive reared vultures are birds that came in as chicks collected from wild nests (in 2009 and 2010) reared and placed in the breeding centre for the breeding programme.

* Captive bred vultures are the offspring of those captive reared birds, hatched and parent reared in the breeding programme.


For more information on the Saving Asia’s Vultures from Extinction (SAVE) partnership and further news updates check www.save-vultures.org  and www.birdlifenepal.org

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Susan Sharma says

September 20, 2018 at 04:45 AM

Watch a short video about Vultures of India at the link

https://youtu.be/3ktlmpnyDvE


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