Question

_________feature helps bird to fly .​

Answer 1

▬▬▬▬▬ஜ۩۞۩ஜ▬▬▬▬▬▬

$\mathfrak{The\:Answer\:is}$

Light body feature helps bird to fly.

$\boxed{Hope\:This\:Helps}$

▬▬▬▬▬ஜ۩۞۩ஜ▬▬▬▬▬▬

Answer 2

@brainly...

It's hollow bones are very light which help them to fly...