The correct option is C Vulnerable
Vulnerable or depleted species is the species for whom presently the population is sufficient but is undergoing depletion due to some factor or factors so that it is facing risk of extinction in medium term future. Out of the total threatened species, 34-51% are vulnerable (34% mammals, 36% birds, 43% reptiles, 48% amphibians and 51% angiosperms). In India, their number is 143 animals and 87 plants, e.g., Antilope cervicapra (Black Buck, Indian Gazelle), Cupressus cashmeriana.