The more experience you have had, the better reason you can give for wanting to work as a volunteer, the surer you are of getting the position. It is all hard work even if you love it. You will get more than your fair share of mucking out. Then there's the laundry, the kitchen, and preparing food. For example, at WildCare you might be dispensing dripping gruel.
Volunteers come in all sizes, and interests.
Some prefer to serve in libraries or hospital aisles, and some get satisfaction teaching the aged new skills. Volunteers who serve breakfast to the injured animals are a special breed with special blessings no other volunteers enjoy. There is a great sense of satisfaction in serving breakfast to these creatures, suffering through no fault of their own. He can produce similar pages featuring your company or organization then publish it on the web. He is willing to barter writing and photography work for your goods or services.