they sit
Yes the albratross sleeps while its flying.
If your talking about crows then yes, they caw while flying.
Geese do not sleep while flying, they stay awake throughout their journey.
They usually do it to call in birds to mate.
NO!! If they did, they wouldn't fly!
59%
through their nose
The skylark.
if something hits them
They do cast shadows.
No, birds cannot stay completely still in the air while flying. They need to constantly flap their wings to maintain lift and stay airborne.
Gravity