Nothing. It's a natural instinct.
You could I suppose, but if the bird is nesting, I wouldn't disturb it until it is finished with its nesting duties.
move
Go to your nearest bird or pet store and get a nesting or breeding box then get some shredded material, pine not cedar! But this is only surface info please please go and find more information on nesting cockatiel websites.
put cotton or sticks in it, and you can even buy nesting supplies at a pet store.
This all depends on what species of bird it is, and what they are doing there (nesting, mating, etc.)
Pet parakeets typically use materials such as paper strips, wood shavings, and dried grass or coconut fibers to build their nests in a cage. It's important to provide these nesting materials for their comfort and natural behavior. Additionally, some parakeets may use their own feathers to line the nest.
Which bird lays the world's biggest egg? e
Primary cavity nesters make their own cavities (woodpeckers) and secondaries use existing cavities (Purple Martins).
a humming bird
No, because another bird can come in and use the same nesting.
Having a parrot is the best as it can say some words!
Yes, you can pet a bird on its back, but it is important to do so gently and carefully to avoid startling or harming the bird.