Nesting habits of birds

Which of the following materials do birds commonly use to build their nests?

What is the purpose of a bird's nest?

Which bird species builds the largest nests in the world?

True or False: All bird species build nests.

How do birds choose the location for their nests?

Which bird species constructs floating nests on water?

What is the purpose of adding soft materials, such as feathers or moss, to a bird's nest?

Which bird species constructs intricate mud nests on vertical surfaces?

How do some bird species protect their nests from predators?

True or False: All bird species use the same type of nest.