The two remaining mystery species of India, without recorded evidence that they have survived, are the pink - headed ducks, which were last seen in the 1930 ’ s, and the Himalayan mountain quails, which have not been sighted for about 100 years.
Kaks ülejäänud salapärast India liiki, kelle kohta pole leitud elumärke, on partlane Rhodonessa caryophyllacea, keda nähti viimati 1930. aastatel, ning faasanlane Ophrysia superciliosa, keda pole kohatud umbes 100 aastat.