Take for example Aarakokra:
![[Linked Image]](https://i.pinimg.com/originals/73/0d/ac/730dac88d9601cbc6a370187197dc7a4.jpg)
These are classified as Humanoid but very clearly have no discerning human features other than being bipedal.
It seems that there is no evidence within the lore of D&D / Forgotten Realms that 'Humanoids' are supposed to look anything like 'Humans'.