Animal Kingdom | Bird

A group of three birds whose every member can see distinctly an object four times as far as human beings can see from a distance of 2 meters) is
The bird which can move its neck back and forth with a jerk is
Which of the following birds do not make a nest?
Which is the smallest migratory bird to travel from Arctic region to India :
The name of the bird which has eyes in front of its head like in human beings is
Which of the following birds have filtering system in their beaks :
Which type of bird's beak is used to tear and eat meat? 
Which bird makes hanging nest for laying eggs?
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