2012

Hackmatack NWR, Illinois–Wisconsin

Rio Mora NWR and CA, New Mexico

Valle de Oro NWR, New Mexico

Sangre de Cristo CA, Colorado

Swan Valley CA, Montana

Everglades Headwaters NWR and CA, Florida


2011

Flint Hills Legacy CA, Kansas

Dakota Grassland CA, North and South Dakota


2010

Cherry Valley NWR, Pennsylvania

Tulare Basin WMA, California


2009

Mariana Arc of Fire NWR, Pacific

Mariana Trench NWR, Pacific

Wake Atoll NWR, Pacific


2007

Rocky Flats NWR, Colorado


2006

Rocky Mountain Front CA, Montana

Neches River NWR, Texas


2004

Glacial Ridge NWR, Minnesota

Holt Collier NWR, Mississippi

Theodore Roosevelt NWR, Mississippi


2003

Mountain Longleaf NWR, Alabama

Baca NWR, Colorado


2002

Cahaba NWR, Alabama

Red River NWR, Louisiana


2001

Detroit River IWR, Michigan

Bayou Teche NWR, Louisiana

Assabet River NWR, Massachusetts

Vieques NWR, Puerto Rico

Coldwater River NWR, Mississippi

Palmyra Atoll NWR, Pacific

Kingman Reef NWR, Pacific


2000

Oahu Forest NWR, Hawaii

Dakota Tallgrass Prairie WMA, South Dakota

Caddo Lake NWR, Texas

Northern Tallgrass Prairie NWR, Iowa–Minnesota

Guadalupe–Nipomo Dunes NWR, California

Big Oaks NWR, Indiana

Cat Island NWR, Louisiana

North Dakota WMA


NWR= National Wildlife Refuge; CA=Conservation Area; WMA=Wildlife Management Area; IWR= International Wildlife Refuge.