Herbivorous animals have adaptations to plant anti-nutrients, and overconsumption of certain plants can be harmful.

“now that specifically is probably an example of tannins or other polyphenols but it's getting to the broader point that the plants do contain do contain defense chemicals and that even animals that are primarily herbivorous need to need to take that into account when they are consuming them”

“there are also examples in the literature of agriculture of animals being encased in small grazing areas or over feeding on certain plants and having very negative side effects or die offs”

“more broadly speaking polyphenolic compounds from Plants many of which are plant defense chemicals are known to inhibit digestive enzymes this is the intention of plants with these defense chemicals this is how plants do animal and plant Warfare plants don't want to get eaten they are discouraging you from eating them they are inhibiting your absorption of nutrients so that you will not Thrive as much and you will avoid that plant the next time you come back to it”

“more broadly speaking polyphenolic compounds from Plants many of which are plant defense chemicals are known to inhibit digestive enzymes this is the intention of plants with these defense chemicals this is how plants do animal and plant Warfare plants don't want to get eaten they are discouraging you from eating them they are inhibiting your absorption of nutrients so that you will not Thrive as much and you will avoid that plant the next time you come back to it”