This area usually implies that there is dense cover along with vegetation.

It is usually found in dense cover but comes into the open to bathe.

He came to a gully and flung himself across it, into dense cover.

They are fairly quiet and elusive birds which generally keep to dense cover.

He had returned to the dense cover on the mountainside.

They took defensive positions in the dense cover, their weapons trained up ahead.

Crouched behind a dense cover of trees, the man finally released his breath.

It is placed near or on the ground in dense cover.

For the rest I was soon to learn the reason of their neglect to attack us in that dense cover.

It now also has a dense cover of trees.