These are vocal species when breeding, with persistent and loud calls.

These are noisy birds, with persistent and loud calls.

There have been persistent calls for the intersection to be replaced.

But their persistent calls for intervention have actually worsened the violence.

Only after persistent calls from the advocacy group did the health plan relent.

There have been persistent calls for constraints on development to be liberalised.

She didn't bombard the airwaves with a persistent call for prevention and testing.

Nonetheless, there have been persistent calls for the country to create a reserve force of 1,000 soldiers who could be called up in a crisis.

Law 61 of 1991 forbids the persistent call for the mercy of the public, by a person which is able to work.

As a consequence, from the mid-1960s there was a persistent call to establish a more convenient branch location.