The term 'flying fox' in the context of India's wildlife refers to a type of ______.

With reference to crocodilians, consider the following statements: I. Gharials are primarily fish-eating reptiles with long, thin snouts adapted for catching prey in rivers. II. Alligators are generally more aggressive than crocodiles and are widely distributed across tropical regions. III. Saltwater crocodiles are found in both freshwater and brackish habitats and are the largest living reptiles. IV. The mugger crocodile is a freshwater species found widely across India and is classified as Vulnerable by the IUCN. How many of the statements given above are correct?

Consider the following statements regarding Caribou: I. They are herbivorous ungulates adapted to Arctic and sub-Arctic environments. II. Only male caribou possess antlers, while females do not. III. They can digest lichen, which forms a major part of their winter diet. IV. Caribou are capable of seeing ultraviolet light. How many of the above statements are correct?