When a bird is awakened to the sharp pain of teeth in its neck, it usually signals danger. Although birds have a very small brain, they are usually able to know that danger is very near when they feel the pain of teeth in their neck. This seems to work well while they are sleeping.
A sharp pain of teeth signals danger while birds are asleep
No, they land before sleeping.
planes
above danger
one can detect danger by there beu=ing smoke
other birds
Danger - 1950 The Birds 5-40 was released on: USA: 31 May 1955
I think it might be their bedtime.
they sleeping silly!
Nope
tuck in there wings and twit as they close there eys.
it's in angry birds space.you have to complete pig bang first (because it locked)and you will get danger zone (and also getcold cuts too)