- This 1,215 acre preserve contains one of the highest quality coastal freshwater and sphagnum bog systems remaining in Washington. The site contains five wetland plant communities that are in excellent condition and supports the state-candidate Makah copper butterfly species and the state sensitive Olympic mudminnow. The preserve also supports priority habitat features including shorebird and waterfowl concentration areas, harbor seal haul out and pupping areas, and Roosevelt elk and peregrine falcon wintering areas.