Which of these is a critically endangered species?

Options

A. Bobono
B. Black rhino
C. Snow leopard
D. Asian elephant

Answer

To determine which of the species listed is critically endangered, follow these steps:

### Step 1: Understand the Definitions
- **Critically Endangered**: A species that has seen a drastic decline in population, typically 90% or more.
- **Endangered**: A species that has seen a significant decline, usually around 80%.
- **Vulnerable**: A species that has a moderate decline, often around 50% or more.

### Step 2: Analyze Each Species
1. **Bonobo**: Classified as endangered, with an 80% decline.
2. **Black Rhino**: Classified as critically endangered, with a 90% decline.
3. **Snow Leopard**: Classified as vulnerable, with a 55% decline.
4. **Asian Elephants**: Classified as endangered, with an 80% decline.

### Step 3: Identify the Critically Endangered Species
- From the analysis, the **Black Rhino** is the only species that meets the criteria for being critically endangered.

### Conclusion
The critically endangered species from the options provided is the **Black Rhino**.

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