All animals having feathers are

Options

A. Birds
B. Bats
C. Butterflies
D. Beetles

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about animals that have feathers. We need to identify which group of animals is characterized by the presence of feathers.

2. **Analyzing the Options**:
- **Option A: Birds**: Birds are the only group of animals that possess feathers. Feathers serve various functions such as insulation, protection, and attracting mates.
- **Option B: Bats**: Bats are mammals and have wings, but they do not have feathers. Instead, they have fur.
- **Option C: Butterflies**: Butterflies are insects and belong to the phylum Arthropoda. They have scales on their wings, not feathers.
- **Option D: Beetles**: Beetles are also insects and part of the phylum Arthropoda. They have hard exoskeletons and do not possess feathers.

3. **Identifying the Correct Answer**: Since only birds have feathers, the correct answer to the question "All animals having feathers are" is **birds**.

4. **Conclusion**: Therefore, the answer is **birds**.