Homeless in National Parks: https://www.fs.usda.gov/pnw/pubs/journals/pnw_2020_cerveny002.pdf
CHIMP GANG VIOLENCE: https://nypost.com/2026/04/10/science/ugandan-chimps-in-midst-of-first-recorded-ape-civil-war/
Wilderness Squatters: https://www.loe.org/shows/segments.html?programID=03-P13-00028&segmentID=10