Meanwhile on the other side Littlefoot and co are hiding behind some long grass wondering what the 4 strange creatures they just saw are.

I can imagine Cera thinking they could be really dangerous, while Littlefoot thinks they might not be soo bad and were just as scared of them then they were of them. Especially seeing as they too ran away and their kids too and one just a baby.
Cera: Are they still there Littlefoot.
Littlefoot: I'm not sure they ran off behind that big rock.
Ducky: What were those 4 big things? I have never seen anything like them before, no no no.
Petrie: Me no know, me just hope they not like sharpteeth and wanna eat us!