This diverse environment serves as an excellent breeding and staging ground for a variety of waterfowl.The site is a known traditional migration or feeding habitat for at least two endangered species, the white pelican and bald eagle. As well, there is suitable breeding habitat for the black duck a species of special status, osprey and herons. Many provincially significant species have been recorded at the site such as the least bittern, the redhead, the greater scaup and the great black-backed gull, the black tern and the caspian tern.
Cache Bay Wetland Conservation Reserve also serves as an important spawning and nursery habitat for Lake Nipissing’s fish population. This crucial habitat helps to replenish Lake Nipissing’s walleye, pike, muskellunge and bass and thus, support recreational fishing opportunities in the area.
The site also provides many recreational opportunities including sport fishing, hunting and cranberry picking. Access includes, but is not limited to, boat in the summer, snowmobile trail in the winter or by a trail system located along the eastern boundary of the site near the Sturgeon River House Museum.