Which preposition to use with gregarious

in Occurrences 4%

It is gregarious in its habits, associating in flocks of two or three hundred, delighting in marshy grounds, and at night perching upon trees, or on high situations.

by Occurrences 2%

"I'm not gregarious by instinct.

than Occurrences 1%

It is necessary to insist upon the epithet "wild," because an ox of tamed parentage has different natural instincts; for instance, an English ox is far less gregarious than those I am about to describe, and affords a proportionately less valuable illustration to my argument.

Which preposition to use with  gregarious