Spot the errors in the given statements and correct them.
Falcon, Eagle, hawk, vulture, peacock-peahen, pigeon, duck are some birds that are becoming rare.

Answer

To spot the errors in the given statement and correct them, we will analyze the list of birds mentioned and identify which ones are actually rare or endangered.

### Step-by-Step Solution:

1. **Identify the Birds Listed**: The original statement lists the following birds: Falcon, Eagle, Hawk, Vulture, Peacock, Peahen, Pigeon, Duck.

2. **Check the Status of Each Bird**:
- **Falcon**: Some species of falcons are threatened, but not all are considered rare.
- **Eagle**: Certain eagle species are endangered, but not all.
- **Hawk**: Similar to falcons, some hawk species are threatened, but not all.
- **Vulture**: Many vulture species are critically endangered.
- **Peacock**: The Indian Peafowl (Peacock) is not endangered and has stable populations.
- **Peahen**: Like peacocks, peahens are not endangered.
- **Pigeon**: Common pigeons are not rare, but some specific species may be threatened.
- **Duck**: Some duck species are endangered, but many are not.

3. **Correct the Errors**:
- The statement incorrectly categorizes peacocks, peahens, and common pigeons as rare.
- The correct statement should focus on the birds that are indeed endangered or threatened.

4. **Revised Statement**:
"Falcon, Eagle, Hawk, and Vulture are some birds that are becoming rare, while Peacock, Peahen, Pigeon, and many Duck species are not endangered."

### Final Corrected Statement:
"Falcon, Eagle, Hawk, and Vulture are some birds that are becoming rare, while Peacock, Peahen, Pigeon, and many Duck species are not endangered."