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Image: Capybara (Hydrochoerus hydrochaeris)
Capybara (Hydrochoerus hydrochaeris)
Capybara (Hydrochoerus hydrochaeris)
Capybara (Hydrochoerus hydrochaeris)

Capybara rests in its enclosure in a zoological park, it's the world's largest rodent.

Image: Scientist Taking Water Samples
Scientist Taking Water Samples
Scientist Taking Water Samples
Scientist Taking Water Samples

Todd Preston, USGS contract scientist, collecting a surface-water sample from a Prairie Pothole wetland.

Image: Placing Invertebrate Traps in a Pond
Placing Invertebrate Traps in a Pond
Placing Invertebrate Traps in a Pond
Placing Invertebrate Traps in a Pond

Graduate student Christiane Roy placing suspended invertebrate traps in the experimental ponds by kayak.

Image: Light Meter near Mangrove Corals
Light Meter near Mangrove Corals
Light Meter near Mangrove Corals
Light Meter near Mangrove Corals

Underwater light sensor deployed under the mangrove canopy where corals are growing.

Image: American Bullfrog
American Bullfrog
American Bullfrog
American Bullfrog

A biologist examines an American bullfrog along the Yellowstone River near Billings, MT.

A biologist examines an American bullfrog along the Yellowstone River near Billings, MT.

Image: Gray jay
Gray jay
Gray jay
Gray jay

Gray jay perched on tree in the Presidential Range, White Mountains, NH

Gray jay perched on tree in the Presidential Range, White Mountains, NH

Image: High-Intensity Wildfire Flames
High-Intensity Wildfire Flames
High-Intensity Wildfire Flames
High-Intensity Wildfire Flames

After the photo of the coyote on the run, the next photo on the camera shows high-intensity flames at 9:00 a.m. PST on Oct. 22, 2007. Photo credit: USGS.

After the photo of the coyote on the run, the next photo on the camera shows high-intensity flames at 9:00 a.m. PST on Oct. 22, 2007. Photo credit: USGS.

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