They are rarely egrarious.
egrarious: cross between gregarious (flocking together) and egregious (standing out from the flock).
It follows that, if the lark is rarely egregious, it mostly pals up with other larks. If rarely gregarious, it's a loner.
Contradictory bird. (Irish?)
But now you come to analyse it, it does contain an insight into the Irish Lark. You can't be me, I'm taken