Field assistants or interns usually receive room and board and sometimes a stipend.   Often there are opportunities to conduct independent projects that can provide the data for independent or honors research in Biology or Environmental Sciences at UNC-CH.

You can always try a search on google.com for such combinations as ...

'internship' plus a modifier such as 'wildlife', 'bird', 'animal', 'ecology', 'conservation', or other

or 'REU' plus any of these modifiers (REU = Research Experience for Undergraduates as funded by the National Science Foundation)

Ornithological Societies of North America
dozens (sometimes hundreds) of internships or field assistantships
mostly in the summer but also at other times
mostly in the US but also elsewhere
(positions usually posted 3-9 months in advance)

The Student Conservation Association
summer internships in national parks and forests

Organization of Biological Field Stations
summer internships and REUs at field stations throughout the US
(also lists of summer courses at field stations)

Institute for Bird Populations
summer internships banding/surveying populations of birds
for conservation projects thrughout the US

U.S. Fish and Wildlife Service (Southeast Region) internships

Peace Corps
follow links to "What do volunteeers do?" and then "Environment"

www.campusaccess.com
environmental internships worldwide

Please send corrections and suggestions to ... Haven Wiley

Thanks for helping!