If somebody injures himself

The walkers and campers always have to have a first aid kit if somebody injures himself .
The rangers formal also the wild animals sick.

The logo of ranger's

The rangers have a special uniform with a logo. 

The ranger's job.

The ranger's are to protect the nature and the vegetation. By giving some indications and advice to the campers. They give advice to the walkers and to the campers; for example, not to approach wild animals or to get touch them because it stress them.

The ranger's forbid the campers to write on trees or to pick flowers because it is not good for the nature and because it is necessary to protect her. 

The ranger's are as the forest wardens in France.