What is peculiar about the breeding habit of koel?

Explanation

### Step-by-Step Solution:

1. **Introduction to the Koel's Breeding Habit**: The koel, also known as the cuckoo, exhibits a unique breeding behavior that distinguishes it from many other bird species.

2. **Brood Parasitism**: The koel is known for its brood parasitism. This means that instead of building its own nest and raising its young, the koel lays its eggs in the nests of other birds, particularly crows.

3. **Laying Eggs in Crow Nests**: The koel will find a crow's nest and lay one or more of its eggs there. This behavior is strategic, as it allows the koel to avoid the energy and resources required to raise its own young.

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