Question

how do the birds help in cleaning the atmosphere

Answer 1

Birds are present throughout almost every habitat across the globe. No matter where you go, there is always evidence of birds even if you don't see the animals themselves

Answer 2

Why are birds good for the environment?

The Benefits of a Clean Environment for Birds. Birds stay healthy through a combination of a balanced diet, a happy psychological state and a clean environment. Keeping a sanitary cage minimizes the bird's exposure to potentially harmful bacteria, viruses and other potentially harmful organisms.