Some of those most identified with the hierarchy's conservative wing are highly vocal on social issues.

They are highly vocal animals, communicating with a wide range of sounds.

Conditions couldn't be worse, as tourists were readily assured by the miserable, highly vocal residents.

The opponents were highly vocal, proponents said, while the middle-class people who would have benefited from the housing did not speak out for it.

Cranes are highly vocal and have a large vocabulary of specialized calls.

They are highly vocal, and have loud, raucous calls.

Supporters groups tend to be highly vocal at matches, with each group having several football chants.

Males are highly vocal, and their loud, piercing whistle is frequently heard.

In addition the family is highly vocal, giving a range of whistles, harsh calls and duets.

People in the opposition are part of a highly vocal and strenuous community.