Here are the critically endangered, vulnerable, and endangered species found in Corbett Tiger Reserve: Critically Endangered Species: 1. Bengal Florican: This bird species is critically endangered due to habitat loss and hunting. Vulnerable Species: 1. White-rumped Vulture: These vultures are facing population decline due to the use of veterinary drugs in livestock, causing kidney failure in the vultures. 2. Yellow-throated Marten: The population of this small carnivore is decreasing due to habitat loss and fragmentation. Endangered Species: 1. Black Stork: These large birds are facing a decline in their population due to loss of wetland habitats and hunting. 2. Bristled Grassbird: The habitat loss and degradation are causing a decline in the population of this bird species. These are just a few examples of the critically endangered, vulnerable, and endangered species found in the Corbett Tiger Reserve. The Reserve plays a crucial role in their conservation by providing a protected habitat for these species.