Answer:
Everyone should get flu vac
Explanation:
Hey there,
Jack claims that he has seen something bulge in the mountain top. He and his friends <em>believe that it is a beast or some type of monster.</em> But, it is actually the dead body of a parachutist. They let their imaginations get the best of them because the parachute is swaying in the wind.
Cheers
I think the answer is the reason for his absence is quite simple to understand.
He is referring to the bird as clumsy because "ungainly" is define as "awkward" or "clumsy" and "fowl" is another word for "bird"