A nest, or a bird house.
Generally a nest. Though some have specific names such as the nest of an eagle which are called eyries or aeries.
birds home are called nest
Eyrie
Aviary.
A bird house is called a nest.
a nest
A birdhouse.
A nest, or a bird house.
The birdhouse clearly cannot house any birds, i.e. zero (0) birds.
a bird house to shelter wild birds is 'un nichoir'. A large bird house to keep birds in - like a big bird cage- is called 'une volière'.
If the bird built it then it is generally called a nest. If it was made for the bird by a human it is generally called a birdhouse.
They are called Birds of Prey.
It's called a... "birdhouse." To the the dictionary definition and more on Answers.com, see the Related Link.
The study of birds is called Ornithology.
The collective noun is a flock of birds.
Their house