USFWS National Digital Library

- Snorkeler surveys the Potomac River bottom
- Rivers and streams; Snorkeling; Surveying;
- Periodic surveys of the Potomac River bottom are conducted in order to assess the health of the river.
- Images
- Scenic View of Tetlin National Wildlife Refuge
- Scenics; Landscapes; Wildlife refuges; Tetlin National Wildlife Refuge
- Picture taken near the Canadian boarder.
- Images
- Fisherman with Northern Pike
- Recreation; Fishing; Fishes; ARLIS; Alaska
- Images
- Alaska Range Aerial View
- Aerial photography photography; Scenics; Landscapes; Mountains; Alaska
- Images
- Sea Anemone
- Images
- Mission Blue larvae
- Insects; Endangered species;
- An ant walks across a Mission Blue larvae. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered Species Act.
- Images
- Mission Blue Butterfly
- Insects; Endangered species;
- A female Mission Blue butterfly rests on a yarrow plant located on the Southeast ridge of San Bruno Mountain, California. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the...
- Images
- Mission Blue butterfly
- Insects; Endangered species;
- A male Mission Blue butterfly rests upon a Silver Bush Lupine (Lupinus albifrons). As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered Species Act.
- Images
- Mission Blue butterfly- Female
- Insects; Endangered species;
- A female Mission Blue butterfly lands on a patch of grass. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered Species Act.
- Images
- Mission Blue butterfly
- Insects; Endangered species;
- This photo of a male Mission Blue butterfly was taken on the Southeast ridge of San Bruno Mountain, California. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S....
- Images
- Mission Blue Larvae
- Insects; Endangered species;
- This image of a Mission Blue larvae was taken at Twin Peaks, Mission Ridge near San Francisco, California. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered...
- Images
- Lupines-Mission Blue Habitat
- Insects; Endangered species;
- Purple lupines, habitat for the Mission Blue butterfly is seen here on the Southeast ridge of San Bruno Mountain. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S....
- Images
- Bay Checkerspot butterfly
- Endangered species; Insects;
- An endangered Bay Checkerspot butterfly rests on a flower.
- Images
- Bay Checkerspot butterfly
- Endangered species; Insects;
- Dorsal view of the endangered Bay Checkerspot butterfly.
- Images
- Callippe Silverspot butterfly
- Endangered species; Insects;
- A view of the endangered Callippe Silverspot butterfly.
- Images
- Lange's Metalmark butterfly
- Endangered species; Insects;
- A close-up view of an endangered Lange's Metalmark butterfly with a damaged wing.
- Images
- Lange's Metalmark butterfly
- Endangered species; Insects;
- The endangered Lange's Metalmark butterfly blends in with the surrounding plant life.
- Images
- Lange's Metalmark butterfly
- Endangered species; Insects;
- Dorsal view of an endangered Lange's Metalmark butterfly.
- Images
- Lange's Metalmark butterfly
- Endangered species; Insects;
- Ventral view of an endangered Lange's Metalmark butterfly.
- Images
- Shifting impediments to decision making: An SDM case study on strategic Conservation of Freshwater Mussels
- Videography;Webinar;
- Safeguarding Wildlife from Climate Change - NWF/NCTC Webinar Series. Presented by David R. Smith, Aquatic Ecology Lab, U.S. Geological Survey Leetown Science Center. May 22, 2012.
- Videos