The reading mainly talks about that since glass is very dangerous to birds, so there are some ways to to protect them. However the listening material has differernt views and provide three reasons.

Firstly, in the reading material , it is said that we can use one -way glass.In contrast, the listening material provide a view that the surface of glass is like a mirror that the birds cannot understood. It is difficult for birds to see the glass in the sky.

Secondly, the reading material think that we can paint some colorful lines or other sign in window glass.However, the professor provide an oppsite opinion that birds will try to fly through