UPSC CSE Prelims
Question 21
If you walk through countryside, you are likely to see some birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses. Which of the following is/are such bird/birds?
- Painted Stork
- Common Myna
- Black-necked Crane
Select the correct answer using the code given below.
View correct answer and explanation
Correct answer: B
Correct Option: B
Explanation: Common mynas readily follow grazing cattle and seize disturbed insects. Painted storks and black-necked cranes normally forage in wetlands or other habitats.
Statement/Pair-wise Analysis:
Statement/Item 1: Incorrect - Painted storks mainly feed in shallow water and are not typical cattle-following insect hunters.
Statement/Item 2: Correct - Common mynas follow grazing livestock to catch flushed grasshoppers and similar insects.
Statement/Item 3: Incorrect - Black-necked cranes forage in high-altitude wetlands and meadows, not characteristically behind cattle.
Option-wise Analysis:
A: Incorrect - includes incorrect statement/item 1.
B: Correct - includes all and only the correct items.
C: Incorrect - includes incorrect statement/item 3.
D: Incorrect - includes incorrect statement/item 3; omits correct statement/item 2.