Research: Ambient Sound Idea 1

In our opening film we are going to include diegetic sounds to ensure the opening sounds realistic and looks more tension building with the audience. As we are filming our opening in a woodland location I have researched into different sounds that link to this. We are considering including the sound of birds and wildlife therefore I have found this example of birds singing which I feel likes to the genre of Super natural horror and makes the narrative more realistic for the audience.
 Here is the example of singing birds: