Their tribal instincts, that made them keep together when jungle beasts approached, were at work here in New York.

"The tribal instincts are too strong," he said.

Yet even centuries of forced relocation had failed to extinguish their strong tribal instincts, their sense of who and what they were.

But they did it: they used tribal instincts to prove themselves a school.

The Republican nominee will try to call on their tribal instincts and inclination to still identify with their team.

These are tribal instincts as old as man.

There were deep tribal instincts (powerful unconscious motivations) to account for this.

And never forget that his tribal instincts do not overwhelm what he thinks is right and wrong.

Nevertheless, complex societies (and corporations) rely upon the tribal instincts of their members for their organization and survival.

Modern American football is the manifestation of the tribal instinct inherent in all humans.