Question

Birds like woodcock and robin can identify the sounds of earthworms because _______.

• A. they can hear high intensity sounds
• B. they can hear low intensity sounds
• C. they can hear loud sounds
• D. they can see minute movements

Answer 1

The correct option is B they can hear low intensity sounds

Robin and woodcock have specialised hearing mechanism which is sensitive in picking up low intensity sounds. Hence when earthworm moves, it creates very low intensity of sound which are detected by these birds.