Yes they are herd animals and competition eaters too. Have at least two the same size. We had Saanens, a Swiss breed. They are gentle and mild. The 25 years we had goats we were also in the county goat barn with many other breeds for a week and I did 5 years as goat superintendent. Kids are always attracted to the floppy ears the nubians have . BUT that is the one breed I would not recommend. They are high strung, hyperactive and bawl a LOT. Hard to handle when they are full grown too especially for hoof trimming, etc. Nigerian dwarf is a better choice.
We had a couple of them and I'd be fine without every hearing that Nubian scream again.