Currently , more than 15, 500 species worldwide are facing the threat of extinction. Out of these , what is the percentage of threatened mammalian species

Options

A. `12%`
B. `32%`
C. `31%`
D. `23%`

Answer

To solve the question regarding the percentage of threatened mammalian species out of the total number of species facing extinction, follow these steps:

### Step-by-Step Solution:

1. **Identify the Total Number of Species Facing Extinction:**
- The question states that more than 15,500 species worldwide are facing the threat of extinction.

2. **Understand the Breakdown of Threatened Species:**
- The video transcript provides specific percentages for various groups of species:
- 12% of birds are threatened.
- 32% of amphibians are threatened.
- 31% of gymnosperms are threatened.
- 23% of mammals are threatened.

3. **Focus on the Percentage of Threatened Mammals:**
- According to the transcript, 23% of all mammals are threatened.

4. **Conclusion:**
- Therefore, the percentage of threatened mammalian species out of the total species facing extinction is 23%.

### Final Answer:
- The percentage of threatened mammalian species is **23%** (Option D).