Give two flight adaptations in the bats.

Explanation

**Step-by-Step Solution:**

1. **Understanding Bats as Mammals**: Bats are unique among mammals as they are the only group capable of sustained flight. This sets them apart from other mammals, which do not possess the ability to fly.

2. **Identifying Flight Adaptations**: To answer the question, we need to identify specific adaptations that enable bats to fly.

3. **First Adaptation - Patagia**:
- Bats have a specialized structure known as *patagia*.
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