1. Both are shelters.
2. Birds make their nests just like humans make their homes.
3. Houses are bigger than nests.
4. Both use trees. Humans use lumber from trees; birds use twigs and
branches
5. A house has a roof. A nest has no roof.
6. Both can shelter more than one inhabitant.
7. Nests are simple; houses are more complex.
8. Houses usually have more than one room in them.
9. Birds might repair a hole; humans might repair a leak.
10.A bird can live in a house as a pet; humans don't live in nests as pets.​