Question

why do birds move their neck very often

Answer 1

birds have bigger eyes as compared to the other animals for better visual  of their prey or predators from longer distances.as they have bigger eyes they can't move their eyeballs so to have a look on both the side birds move their neck very often.and other reason for this is they have more number of bones in their neck so the neck is very flexible and can do fast movements.

Answer 2

Answer:

TO FIND PERY AND ANY HUNTER ATTACKING IT