Translation of "stoutly" into Spanish

Magpies often live in groups and stoutly defend their territory, even against people.

Las urracas son gregarias y defienden con firmeza su territorio, incluso de cualquier intrusión humana.

Then with drooping head and aching heart he stoutly bent his way to his camping ground.” 1

Luego, con la cabeza gacha y el corazón adolorido, firmemente siguió su camino hacia su campamento”1.

The Government authorities stoutly maintain that there are no paramilitary groups in Mexico

Las autoridades gubernamentales afirman rotundamente que no hay grupos paramilitares en el país