Yellowstone Forever Cougar Course - following cougar tracksby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4226069/photo-image-public-domain-tree-plantFree Image from public domain licenseYellowstone Forever Cougar Course - Cougar track by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038402/photo-image-moon-space-natureFree Image from public domain licenseYellowstone Forever Cougar Course - Snowshoeing at Hellroaring by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4226071/photo-image-light-public-domain-treeFree Image from public domain license