Which of the following is an extinct species of animals ?

Options

A. tiger
B. desert cat
C. snow leopard
D. dodo

Answer

### Step-by-Step Solution:

1. **Understanding Extinction**: The first step is to understand what extinction means. An extinct species is one that no longer exists anywhere on Earth. This means that there are no living members of that species left.

2. **Identifying the Options**: The next step is to identify the animals provided in the question. In this case, we have:
- Tiger
- Desert Cat
- Snow Leopard
- Dodo

3. **Researching Each Animal**:
- **Tiger**: The tiger is classified as an endangered species. This means that while their numbers are declining, they are not extinct.
- **Desert Cat**: The desert cat is not endangered and is considered to be of least concern, meaning it is not at risk of extinction.
- **Snow Leopard**: The snow leopard is also not extinct but is classified as vulnerable, which means its population is declining but not completely wiped out.
- **Dodo**: The dodo is a well-known extinct bird. It became extinct in the late 17th century (around 1690) and has no living members left.

4. **Conclusion**: Based on the information gathered, the only animal from the list that is extinct is the dodo.

5. **Final Answer**: The extinct species of animal from the options provided is the **Dodo**.