Honestly unsure myself. Smaller than the females, perhaps - not by a large margin. But scrawny, no. The concept of art had them anything but scrawny. When a male Viera lowers his arms - I yell timber. That's how 'thick' those arms were in the concept art. I'm assuming folks are looking into the tiny like image which had both the female and male look like they'd be under 4ft - or that concept art was possibly that of the 'children' and them showing how there's little difference between the two until they hit puberty.

Those who are thinking they would be small and scrawny are those who are wanting a child-sized/slender male Viera. Others are wanting an average height, slender yet toned male Viera - that fits with their lore more in my opinion. Aye, I want the toned and elegant/beautiful type for my bunnyman rather than small and cute.