NEW DELHI — The Indian government has decided to phase out a widely used veterinary painkiller implicated in the catastrophic decline of
vulture populations on the subcontinent.
In India, which has the largest
vulture populations and the best tracking efforts, the restriction is credited with enabling the white - rumped vulture population to recover slightly, to about 6000, and slowing the decline of Indian vultures, now down to fewer than 15,000.
The plunge of South Asia's
vulture populations began in the 1990s and progressed with stunning rapidity.
And despite the challenge posed by the current lack of some formerly abundant species, Gorongosa and protected areas like it may be the only hope of saving what remains of Africa's rapidly dwindling
vulture populations.
Global
vulture populations are declining at an alarming rate.
It has prompted a call for a national ban on lead bullets in the hope of minimising negative impacts on
vulture populations, which are declining throughout Africa.
In addition to the damage that can be caused to an individual animal, «the presence of lead indirectly impacts upon the Griffon
vulture population due to changes to bird behaviour, reduced reproductive success and lower immunological response,» the researcher concludes.
India's
vulture population crash actually began a decade ago.
«The data unequivocally show that diclofenac is responsible for
the vulture population decline in Pakistan,» he says.
Not exact matches
A team of researchers from several Portuguese centres and the Autonomous University of Barcelona (UAB) has analysed the presence of mercury, cadmium and lead in the blood of the 121 Griffon
vultures (Gyps fulvus) in Portugal and Catalonia, and compared the concentration between
populations of wild Griffon
vultures and the individuals that were admitted, in a weak state — due to malnutrition — and wounded, into rehabilitation centres.
Cambodia supports the largest
population of
vultures in Southeast Asia, but there only a few hundred individuals left in the country.
The once common Hooded
Vulture was uplisted to critically endangered in 2015 because of drastic declines in
populations across Africa.
Just 100 white - rumped
vultures live within Zone 1, he notes, and «If these 100 feed on only two or three cows with the harmful drugs, this will destroy the whole
population.»
The missing
vultures have left an ecological hole that is being filled by a burgeoning feral dog
population, which have helped spread rabies.
The Spanish government should rescind approval of a veterinary drug that threatens Europe's largest
population of wild
vultures, researchers argue in a letter published online yesterday in Conservation Biology.
In some areas, the
vulture's
population has fallen by 25 per cent over 20 years because of various threats.
But if Spain has a
population of 40,000
vultures, there are only 400 California condors, most of them likely to have close encounters with Kern County's projected wind turbines at some point in their long lives — unless the birds are kept captive, as many presently are.
Indian
vultures have suffered
population declines of 97 - 99 %, with the annual rate of decline of 16 % in the first part of this century, all because of exposure to the drug diclofenac, given to farm animals to reduce joint pain and allow them to work longer.
Mark Duchamp, President, Save the Eagles International, reports on the killing of birds by wind turbines, in particular of the Andalusian
population of Egyptian
vultures.