Yes, the others that should be safe. If you cross paths with flocks of brown birds with a single colorful one as their leader, they are wary but will not attack so long as they are neither startled nor provoked.

[ Such flocks are a fairly common sight in Valisthea, though they seemed rather new to others. Chocobos in general were only familiar to a select few in Etraya, in Dion's experience. ]