Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?

Explanation

### Step-by-Step Solution:

1. **Understanding Nocturnal Birds**: Nocturnal birds, such as owls, are active during the night and need to see well in low-light conditions.

2. **Structure of the Eye**: These birds have large corneas and large pupils. The cornea is the transparent front part of the eye, and the pupil is the opening that allows light to enter the eye.

3. **Function of the Cornea**: A larger cornea means a larger surface area to gather light. This allows more light to enter the eye, which is crucial for seeing in dim conditions.

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