If you know the name of the refuge you seek for your adventure, you may find that refuge by linking from the national wildlife refuge page. From this site, you may search by refuge name, state, or other key words. Many refuge sites are basic and do not include volunteer information. In that case, you may want to contact the refuge by phone.
If you seek resident volunteer opportunities in the Southeast, visit Southeast Resident Volunteer site for refuges that offer residential volunteer opportunities. The Southeast has been working diligently to provide this information to you via the internet.
Or, you may visit regional sites to help in your search. Again, many of these sites have no specific information about volunteer opportunities, so you may want to call.