This sounds creepy, but:
...
well, most of the time the cheepers are . . . what they are: frightened little fuzz balls running around after their Dad. But here's the thing:
because most of our observations of chicks were of Eric's chicks, we don't have much insight into how a Dad and chicks interact with interlopers. We have some observations, and these are very good. But no emu in its right mind ever went up against Eric a second time.
But Tooshtoosh and his sister LimpyChick are a bit sooky -- they're orphans. And they're fairly well-matched. So we've seen a good number of territorial disputes between Tooshtoosh Plus and (stupidly stubborn) LimpyChick.
Tooshtoosh and Co. sight LimpyChick, and run her off. And sometimes the chicks are harmless little cheepers. But sometimes, there's something downright scary in the way they move with their Dad
(don't forget that the chicks lead the charge into battle, before pulling up at the last second).
They move in a pack. There's a real ugliness to it. Dads sometimes parent into the second year, which would make the chicks quite large. Would they attack and kill an interloper? An injured emu is always attacked by its siblings.
SE