Schedule 5 of the Wildlife Protection Act, 1972 provides protection to certain animals which are not endangered but can become so if they are not protected. These animals are considered to be of least concern in terms of conservation status. The animals listed under Schedule 5 are protected from hunting, poaching or any other form of exploitation.

The correct answer to the question is option 'C' - Common crow. It is not listed under Schedule 5 of the Wildlife Protection Act, 1972.

Explanation:
- Wildlife Protection Act, 1972: The Wildlife Protection Act, 1972 is an Act of the Parliament of India enacted for the protection of plants and animal species. It provides for the protection of wild animals and birds in India and establishes a network of protected areas.
- Schedule 5: Schedule 5 of the Wildlife Protection Act, 1972 lists animals which are not threatened with extinction but need to be protected so as to prevent their extinction in the future. It includes animals such as common rat, common mice, fruit bats, Indian giant squirrel, Indian pangolin, etc.
- Common crow: The common crow is a bird species found all over India. It is not listed under Schedule 5 of the Wildlife Protection Act, 1972 as it is not considered to be threatened with extinction. However, it is protected under other schedules of the act as it is a part of India's wildlife and ecosystem.

In conclusion, the correct answer to the question is option 'C' - Common crow, which is not listed under Schedule 5 of the Wildlife Protection Act, 1972.