Are Sarumans Uruk-hai and Saurons really that different? Note for example the 'huge' orc chieftain in Moria (one of the 'black Uruks of Mordor'). By his discription he seems larger than Saruman's Uruks. The Isendardrs are also noted for their long arms (see Helm's Deep) chapter.
Also Grishnakh and his orcs seem to have no more problem with the sun the Ugluk's troop.
It is the Northerners who complain.
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Tar-Elenion
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