A cooperative farming program permits farmers to cultivate crops on refuge lands.
Before then, no hunting was permitted on any refuge lands.
In winter most of the refuge lands are open for cross-country skiing, snowshoeing, and hiking.
Upon acquisition the refuge lands consited mostly of agricultural fields.
To date, 33 bird species have been observed using refuge lands and waters.
The piping plover, an endangered species, nests on refuge land.
At least 20 tree species have been planted on refuge lands.
Some of the best examples of sub-tropical dry forest in the Caribbean can be found on refuge lands.
Nearly 130 species of birds spend part or all of the year on refuge lands.
Access to refuge lands (especially interior portions) is limited, but is available mostly on the Mississippi side and by boat.