On to their diet, and while all equines are given to minor cases of omnivory, tol’Gorga lean more towards carnivory.
The beginning of the sentence reads strangely. I'd reword it to be something along the lines of "In regard to their diet, while all…" imo
features of most Equines on Ruudash
"Equines" should be lowercase.
their tempers and ability to ignore
I'm like 90% certain that it should just be "temper".
grum'Kar(Orcs)
Needs a space.
kod'Kar(Ogres)
Again, a space.
General thoughts:
This was a neat little entry, though I will admit a lack of a general enthrallment, but that stems from personal preference as this tended to sound very textbook-y. Nyx seemed to think it was engaging so I'll pass of that area of them as I'm biased in the matter.
I think the mixture of history with the details of the creature were woven together in a logical way, letting you go into depth with why certain things were the way they were.
My one big criticism is the formatting. There are a lot of times where I felt that paragraphs could have been brought together instead of being separated. It only disrupted the flow and made it feel too much like a star-stop-start-stop kinda thing when it coulda flowed into the next part. For example:
This diet and their bipedal stance are believed to be features of most Equines on Ruudash, as seen in stories and records taken from Ruudashi archives.
These records discuss truly massive water-wading beasts that ate fish and horsetails in equal measure along a vast edifice of water called the "ruu'Matra-Tal" or Ever River and the slight, multi-toed mountain climbers that hunted moss, rodents, and bird eggs across the peaks. They are believed to have died with Ruudash.
These two should go together, not be separated. My suggestion is to take a closer look at the individual sections and see where you can bring them together to make a more cohesive section.