The general collective noun for birds is a flock of birds.
Many individual species of birds also have their own collective nouns, for example:
The noun fleet is a standard collective noun for a fleet of ships, a fleet of planes, or a fleet of vehicles of any kind.
it would be referring to a group of warplanes. a fleet of planes is the collective noun, while birds are referring to warplanes
A flock
The First Fleet did not set out on a campaign to deliberately kill just the emus. The birds were good food and a reasonably easy target for a colony that needed a head start.
it is a courtship thing, why do you take your date out to dinner? it's the same thing.
Not really
Birds
Themselves - it's a natural thing all birds do
Birds are the only things that have feathers and hollow bones.
No. There is no such thing as magic.
Quill
a typhoon.
I am guessing the same thing as what they ate on the ship?