If your talking about crows then yes, they caw while flying.
they sit
They usually do it to call in birds to mate.
NO!! If they did, they wouldn't fly!
59%
They do cast shadows.
The skylark.
if something hits them
its a caniary
Gravity
They squint However there are not many birds that will fly during rain.
No- In Fact Canadian Geese Never Collide When Flying In Formation