Long Walk — sound recording credits

Common loon yodels — Darwin Long and Peter Otto, CC BY-SA 2.5
https://commons.wikimedia.org/wiki/File:Common_loon_yodels.ogg
https://creativecommons.org/licenses/by-sa/2.5/

Frog sounds — Hughesdarren, CC BY-SA 4.0
https://commons.wikimedia.org/wiki/File:Frog_sounds.ogg
https://creativecommons.org/licenses/by-sa/4.0/

Barred Owl, Yellowstone National Park — U.S. National Park Service, public domain
https://commons.wikimedia.org/wiki/File:Barred_Owl,_Yellowstone_National_Park.oga

Swale flowing into a stream — Siddharth Patil (Ksd5), CC0 1.0
https://commons.wikimedia.org/wiki/File:Swale.ogg
https://creativecommons.org/publicdomain/zero/1.0/

Water fall — Benzband, CC BY-SA 3.0
https://commons.wikimedia.org/wiki/File:Water_fall.ogg
https://creativecommons.org/licenses/by-sa/3.0/

Recordings are reproduced without modification and played at variable levels.