- Nest building is a kind of adaptation
- Adaptation has a positive impact on the survival of a species
- So, nest building has a positive impact on the survival of a species

- Nest building has a positive impact on the survival of a species
- A nest is a kind of resource for a bird
- Therefore, nest building has a positive impact on the survival of birds

- Young animals are born as a result of reproduction
- A bird is a kind of animal
- Therefore, young birds are born as a result of reproduction

- Young birds are born as a result of reproduction
- Many birds reproduce during spring
- So, many young birds are born during spring

- Many young birds are born during spring
- Birds build nests in the spring
- So, birds build nests when many young birds are born

- Birds build nests when many young birds are born
- A nest is used for protecting young by birds
- So, birds build nests to protect young birds

- Nest building has a positive impact on the survival of birds
- Birds build nests to protect young birds
- Hence, nest building has a positive impact on the survival of birds by protecting young birds

So, nest building has a positive impact on the survival of birds by protecting young birds
[Question]Some birds build nests in the spring. This nest building is a seasonal adaptation that occurs to help the birds
[Context]- Young animals are born as a result of reproduction 
- A bird is a kind of animal 
- Nest building is a kind of adaptation 
- Adaptation has a positive impact on the survival of a species 
- Many birds reproduce during spring 
- A nest is a kind of resource for a bird 
- Birds build nests in the spring 
- A nest is used for protecting young by birds