USFWS National Digital Library

- Antelope at Sevilleta National Wildlife Refuge
- Mammals; Wildlife refuges; Wildlife viewing;
- Antelope in a field at Sevilleta National Wildlife Refuge in New Mexico.
- Images
- Sun shining
- Wildlife refuges;
- Sun shining on the Sevilleta National Wildlife Refuge in New Mexico.
- Images
- Atlantic Salmon Adults
- Captive breeding; Fishes; Rivers and streams;
- Adult Atlantic salmon of the Penobscot River, ME, in their holding pool before artificial spawning
- Images
- Atlantic Salmon Parr
- Underwater photography; Fishes; Riverbeds;
- Atlantic salmon parr emerging from gravel riverbed to feed, Machias River, ME.
- Images
- Atlantic Salmon Male
- Fishes; Rivers and streams;
- Atlantic salmon male displaying kype, a characteristic of males during spawning season which is used in battle with rival mates.
- Images
- Atlantic Salmon Parr
- Fishes; Riverbeds; Underwater photography;
- Atlantic salmon parr in cobble habitat, Machias River, ME.
- Images
- Atlantic Salmon Pre-Smolt
- Fishes; Underwater photography; Rivers and streams;
- Atlantic salmon showing parr marks fading into silvery sheen of the fish's smolt stage, Penobscot River, ME.
- Images
- Atlantic Salmon Sac Fry
- Fishes; Riverbeds;
- Atlantic salmon sac fry in gravel habitat.
- Images
- Atlantic Salmon Sac Fry
- Fishes;
- Atlantic salmon sac fry so called for the nutrient-rich sac that serves as its food source before emerging from the gravel streambed in early spring.
- Images
- Dragonfly
- Insects;
- A close-up view of a dragonfly.
- Images
- Children hiking
- Wildlife refuges; Children; Connecting people with nature;
- Two children enjoy a nice hike in the woods.
- Images