Birds live in trees because it is safer for them and it is better and much harder for their predators to get up to them...
Why Do Birds Live In Trees?
They are safer up high,away from predators
To keep away from predators and shelter.
First of all safety and birds are small and very pritty animal and don't win fight another animal so birds are live in the tree
Because their birds of the heavens, so it makes sense to live up high
They have shelter from their predators.
They live in the trees because 1. It is easy to get nest making material 2. High up from predators.