Common Mynas (Acridotheres tristis) are frequently observed foraging for insects in grasslands, often following grazing animals like cattle, sheep, or even lawnmowers, taking advantage of insects stirred up from the vegetation. This is a form of commensalism, where the bird benefits, and the cattle are largely unaffected.
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? 1. Painted Stork 2. Common Myna 3. Black-necked Crane Select the correct answer using the code given below.
Asked in UPSC IAS 2014 · Topic: Subdivisions of Biology (Zoology)