I think that would be a possible valid starting point. Species need to look less humanoid like they were in Oblivion, and more like they should. Khajiit have qualities of a cat, Argonians have qualities of a lizard, etc. Lets show those qualities more and emphasize on them.
I agree with this that each race should have there own qualities all very much human
Just a bit of background on orcs...
Orc (pronounced /??rk/) is a word used to refer to various races of tough and warlike humanoid creatures in various fantasy settings. Orcs are often portrayed as misshapen humanoids who are brutal and warmongering. Conversely, some settings and writers describe them as a proud warrior race with a strong sense of honor (for example, Morgan Howell's Queen of the Orcs). They are variously portrayed as physically stronger or weaker than humans, but always high in numbers. They often ride boars, wolves and wargs. In many role-playing and computer games, Orcs mainly have green skin (earning the name "Greenskins" in such games as Warhammer Fantasy and Warhammer 40,000). Usually, Orcs use shamanistic magic (unlike other fantasy races such as Elves), or none at all. However, their fighting skill is honed to maximum power and efficiency.
Elder Scrolls
In Tamriel they are civilized humanoids, noted for their unshakable courage in battle, with large under-teeth protruding from the bottom jaw out from their mouths. One of the taller races of the Elder Scrolls series, they are, contrary to other renditions, not muscle-bound and war-like but still significantly bulkier than most. They are distinguishable by their green skin. The orcs, or Orsimer (meaning the Pariah Folk in the elven tongue), are a strain of descendants of the original elven race. The Orsimeri were followers of the god Trinimac, but transformed from gold-skinned elves to green-skinned orcs when Trinimac was transformed into Malacath by the Daedric Prince, Boethia. Another unique quality about the Orcs in the Elder Scrolls are that they are talented smiths and excellent rank-and-file soldiers, traits generally given to dwarves in most other sources.