Status and Conservation
In 2011 Birdlife International uplisted this species from Endangered to Critically Endangered, mainly because it has been exirpated from 90% of its former range and the population was estimated at perhaps fewer than 250 individuals in 2008. The main threats are hunting and habitat loss. In the past they were heavily hunted for their meat and for sport and, today, poaching of the species may continue. In some places such as Rajasthan, increased irrigation by the Indira Gandhi canal have led to increased agriculture and the altered habitat has led to the disappearance of the species from these regions. Some populations migrate into Pakistan where hunting pressure is high. The bird is found in Rajasthan, Karnataka, Maharashtra, Madhya Pradesh and Gujarat states of India. Desert National park, near Jaisalmer and coastal grasslands of the Abdasa and Mandvi talukas of Kachchh District of Gujarat support some populations.Ghatigaon and Karera sanctuaries in Madhya Pradesh once held sizeable populations. Other sanctuaries with the species include Naliya in Kutch, Karera Wildlife Sanctuary in Shivpuri district;Great Indian Bustard Sanctuary near Nannaj, 18 km from Solapur in Maharashtra, Shrigonda taluka in Ahmednagar district of Maharashtra, near Nagpur and near Warora in Chandrapur district in Maharashtra and Rollapadu Wildlife Sanctuary, 45 km from Kurnool in Andhra Pradesh. At Ranibennur Blackbuck Sanctuary, habitat changes have affected the populations of blackbuck and bustards. In the 1950s the scrub forest was replaced with Eucalyptus plantations. These helped wildlife when the trees were short but after their extensive growth they made the adjoining grassland less favourable for bustards.
A 2011 study of the variability in mitochondrial DNA (hypervariable control region II and cytochrome b) in 63 samples from 5 Indian states found very low genetic diversity suggesting a historical population reduction. The study suggested a population reduction or near extinction estimated about 20-40,000 years ago. Attempts to breed them in captivity have failed. The species is considered as "critically endangered" by the IUCN Red data list.
Read more about this topic: Great Indian Bustard
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