Images

- Peregrine Falcon
- Birds; Birds of prey; Wildlife refuges;
- Peregrine falcon in flight over Blackwater National Wildlife Refuge, MD.
- Images
- Two Bald Eagles with Chicks
- Birds; Birds of prey; Wildlife refuges;
- Two bald eagles with chicks at John Heinz National Wildlife Refuge, Philadelphia, PA.
- Images
- Great Blue Heron
- Birds; Wading birds; Wildlife refuges;
- Great blue heron wading in water at E.B. Forsythe National Wildlife Refuge.
- Images
- Snow Geese
- Birds; Wildlife refuges;
- Snow geese in water at E.B. Forsythe National Wildlife Refuge.
- Images
- Sand Dunes
- Coastal environments; Wildlife refuges;
- Sand dunes along the beach at Prime Hook National Wildlife Refuge, De.
- Images
- Egrets in Marsh
- Wading birds; Wildlife refuges; Wetlands;
- Flock of egrets in marsh at Prime Hook National Wildlife Refuge, De.
- Images
- Egrets Feeding in Marsh
- Wading birds; Wetlands; Wildlife refuges;
- Egrets standing in marsh feeding at Prime Hook National Wildlife Refuge, De.
- Images
- Egrets and Ibis
- Wading birds; Wetlands; Wildlife refuges;
- Egrets and ibis standing in marsh at Prime Hook National Wildlife Refuge, De.
- Images
- Egrets in Flight
- Birds; Wetlands; Wildlife refuges;
- Egrets in flight over Prime Hook National Wildlife Refuge, De.
- Images
- Laughing Gulls in Flight
- Birds; Wetlands; Wildlife refuges;
- Laughing gulls in flight over Prime Hook National Wildlife Refuge, De.
- Images
- Piping Plover
- Birds; Shorebirds; Threatened species;
- Piping plover guards its egg in the sand.
- Images
- Walrus on Togiak National Wildlife Refuge
- Alaska; marine; Mammals; animals; wildlife
- Images
- Walrus
- Mammals; Wildlife refuges;
- Group of walruses on Togiak National Wildlife Refuge
- Images
- Walrus
- Mammals; Wildlife refuges;
- Walrus on land at Togiak National Wildlife Refuge
- Images
- Walrus at Togiak National Wildlife Refuge
- marine; Mammals; wildlife; animals; coast;
- Images
- Juvenile Little Blue Heron
- Species of concern; Birds; Wildlife refuges;
- Young little blue heron at John Heinz National Wildlife Refuge, Philadelphia, PA.
- Images
- Bullfrog
- Amphibians; Wildlife refuges;
- Bullfrog at John Heinz National Wildlife Refuge, Philadelphia, PA.
- Images
- Raccoon in Crab Apple Tree
- Mammals; Wildlife refuges;
- Young racoon in crab apple tree at John Heinz National Wildlife Refuge, Philadelphia, PA.
- Images
- Cicada Killer Wasp with Cicada
- Insects; Wildlife refuges;
- Cicada killer wasp holding dead cicada at John Heinz National Wildlife Refuge, Philadelphia, PA.
- Images
- Immature Bald Eagle
- Birds of prey; Wildlife refuges;
- Immature bald eagle at John Heinz National Wildlife Refuge, Philadelphia, PA.
- Images