The birthing aspect of nests made me curious about gorilla nesting:
https://www.berggorilla.org/en/gorillas/general/behaviour/articles-behaviour/gorilla-nest-types-in-kahuzi-biega/
This makes the scat found at the POW Island site interesting. I think it was found on the side of the nest, not in it. This behavior also mirrors that of most Alaskan big game in its crepuscular activity; most active in the mornings and evenings and a rest during mid-day and mid-night. Caribou, constantly on the move, are a notable exception.They literally graze at 7mph-10mph. It's pretty rare to see them bedded down, unless it's on snow patches or windy ridges where they get relief from bugs.