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The bird that lays its eggs in the nest ...

The bird that lays its eggs in the nest of a crow is

A

Cuckoo

B

Parrot

C

Woodpecker

D

Pigeon.

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The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Question**: The question asks about a specific bird that lays its eggs in the nest of a crow. 2. **Understand the Concept**: The behavior of laying eggs in another bird's nest is known as "brood parasitism." This is a strategy used by some birds to ensure their eggs are cared for without having to build a nest themselves. 3. **Recall the Bird**: The bird that is commonly known to lay its eggs in the nest of a crow is called "Kaku." 4. **Confirm the Answer**: Based on the information provided, the correct answer to the question is Kaku. 5. **Additional Information**: Other birds, like parrots and woodpeckers, build their own nests, while pigeons use materials like straws or dry leaves. This further confirms that Kaku is the unique bird that does not build its own nest. **Final Answer**: The bird that lays its eggs in the nest of a crow is Kaku. ---
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Koel or Cuckoo lays eggs in the nest of

Assertion : All birds, except the ones like koel (cuckoo) build nests for retiring and taking rest during night time (day time for noctumal) Reason : Koel lays its eggs in the nests of tailor bird.

Interaction in which one organism lays its egg in the nest of another organisms is called ul(x) . For example ul(y) .

Assertion : Koel does not build nest for agg laying. Reason : Koel lays its aggs in the nest of tailor bird.

Assertion Koel (cuckoo) build nests for retiring and taking rest during night time and day time for nocturnal birds. Reason Koel lays egg in the nest of tailor bird.

(A) : Brood parasitism is a social parasitism among birds. (R) : Koel lays its eggs in the crow's nest.