I had this issue when I putted a roof above the feeding bowls, made a thread for it, but no one answered, so I thought it was just a random bug on scenario 4.
I had it with the bears, the peacocks, the turtles and the ungulate habitat... I just wanted to keep the food bowls "save" of rain & snow. The keepers where filling up the food, my animals sleept and played under it and had fully access to the bowls, but they started to starve while they were standing right nèxt to the filled bowl, they never had one bite from it and the food got bad.
This not "eating-starving thing" stopped right after I pulled out the food bowls into the free again, out of the roofed building and out of the pangolas I made.
I used ingame roofs and selfmade ones, all buildings were different made and fully accessable to the animals and keepers, so that wasn't the reason.
I lost one peacock on that
sad, but it could have been worse I think... .
After the new update now, I'll restart scenario 4 and will try if it's still happening there. Would help if someone else found that "bug" or if someone knows it's a random problem that can occure.
I'll inform you here if I could test it again in Scenario 4 (maybe it's just an issue there
)... I'm sure it worked in my franchise zoo in beta pretty fine.