Lesser Adjutant Stork: Once common in wetlands across India, this large stork saw its population decline due to habitat loss and hunting
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The last confirmed sighting in India occurred in 2002
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Indian Bustards: Two species of bustards were once widespread in India, but their numbers have plummeted because of habitat destruction, hunting, and human conflict
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Both species are now critically endangered
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Nicobar Pigeon: Endemic to the Nicobar Islands, this pigeon's population diminished due to habitat loss and hunting
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The last confirmed sighting was in 1949
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Vijayan's Bulbul: Native to the Western Ghats, this bulbul's population dwindled due to habitat loss and hunting
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The last confirmed sighting was in 2001
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White-Rumped Vulture: Once abundant across India, this vulture's population suffered from the widespread use of diclofenac, a veterinary drug toxic to vultures
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It is now critically endangered, with no confirmed breeding populations in India since 2007