I think many bird recordings are made to showcase songs of different species, it would be more relaxing to listen to field recordings that capture the whole soundscape.
Not sure the technical term I want, but microphones aren't the same as human ears.
[1] Francisco López - La Selva (Sound Environments from a Neotropical Rain Forest) https://youtube.com/watch?v=1_slk9NmgGM
Dawn Chorus. Queensland, Australia. Recorded from 0515hr to 0640hr.