Unidentified hawk perched upon a dead tree.
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Unidentified Hawk
Unidentified hawk perched upon a dead tree.
Unidentified Conifers Near Pond
Unidentified coniferous trees growing near pond.
Unidentified coniferous trees growing near pond.
Unidentified Conifers Near Pond
Unidentified coniferous trees growing near pond.
Unidentified coniferous trees growing near pond.
Unidentified Conifers Near Pond
Unidentified coniferous trees growing near pond.
Unidentified coniferous trees growing near pond.
Unidentified Conifers Near Pond
Unidentified coniferous trees growing near pond.
Unidentified coniferous trees growing near pond.
Unidentified Spruce (Picea Sp.)
Unidentified spruce tree with rain dripping from it.
Unidentified spruce tree with rain dripping from it.
Green Basilisk (Basiliscus plumifrons)
Green basilisk clings to the side of a log.
Green basilisk clings to the side of a log.
Veiled Chameleon (Chamaeleo calyptratus)
Veiled chameleon is camouflauged in a plant.
Veiled chameleon is camouflauged in a plant.
African Plated Lizard (Gerrhosaurus validus)
African plated lizard underneath some plants on top of a rock.
African plated lizard underneath some plants on top of a rock.
Inland Bearded Dragon (Pogona vitticeps)
Inland bearded dragon basking in the heat on a log.
Inland bearded dragon basking in the heat on a log.
Forest Clear-cut
A forest clear-cut in the Ouachita Mountains of Arkansas. Forestry land use often changes land cover by harvesting and replanting trees. Documenting these changes provide some of the critical information needed to understand regional and national carbon dynamics.
A forest clear-cut in the Ouachita Mountains of Arkansas. Forestry land use often changes land cover by harvesting and replanting trees. Documenting these changes provide some of the critical information needed to understand regional and national carbon dynamics.
Red Irish lord sculpin
Red Irish lord sculpin - Scuba divers from the U.S. Geological Survey’s Western Fisheries Research Center, Washington Sea Grant, EPA and the Lower Elwha Klallam Tribe collected data and images from a long-term study of the Elwha River dam removals and the resulting effects on the nearshore ecosystem.
Red Irish lord sculpin - Scuba divers from the U.S. Geological Survey’s Western Fisheries Research Center, Washington Sea Grant, EPA and the Lower Elwha Klallam Tribe collected data and images from a long-term study of the Elwha River dam removals and the resulting effects on the nearshore ecosystem.
Western pearlshell (Margaritifera falcata)
Margaritifera falcata, Big Creek, Frank Church-River of No Return Wilderness, ID, July 2009
Margaritifera falcata, Big Creek, Frank Church-River of No Return Wilderness, ID, July 2009
Wilderness Sign
Wilderness sign beside a mountain hiking trail in the Wasatch-Cache National Forest.
Wilderness sign beside a mountain hiking trail in the Wasatch-Cache National Forest.
Wetlands in the prairie pothole region of North American
Wetlands in the prairie pothole region of North American, while often appearing as being isolated from each other, are interconnect to each through a variety of ways including temporary surface-water flows, long-term groundwater flows, and biotic movements.
Wetlands in the prairie pothole region of North American, while often appearing as being isolated from each other, are interconnect to each through a variety of ways including temporary surface-water flows, long-term groundwater flows, and biotic movements.
Scientists collecting data in Idaho sagebrush
USGS scientists collect data for a landscape genetics study in the sagebrush of the Great Basin.
USGS scientists collect data for a landscape genetics study in the sagebrush of the Great Basin.
Deer Tick Nymph
Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This is an image of a blacklegged (deer) tick nymph.
Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This is an image of a blacklegged (deer) tick nymph.
Suburban Growth
A dense suburban neighborhood located north of Cincinnati, Ohio. The conversion of forest, agriculture, and grasslands to development can change hydrology at local and regional scales, alter wildlife habitat, and affect local weather patterns.
A dense suburban neighborhood located north of Cincinnati, Ohio. The conversion of forest, agriculture, and grasslands to development can change hydrology at local and regional scales, alter wildlife habitat, and affect local weather patterns.
Mapleleaf Mussel
Mapleleaf mussel, Quadrula quadrula, collected from the Great Lakes region of Canada.
Mapleleaf mussel, Quadrula quadrula, collected from the Great Lakes region of Canada.
Aerial View of the Tatanka Wind Energy Farm in North and South Dakota
Aerial View of the Tatanka Wind Energy Farm in North and South Dakota
Aerial View of the Tatanka Wind Energy Farm in North and South Dakota
Summer Day on Agassiz National Wildlife Refuge, Minnesota
A1 Upstream Channel above Mud River Pool on Agassiz National Wildlife Refuge, Minnesota.
A1 Upstream Channel above Mud River Pool on Agassiz National Wildlife Refuge, Minnesota.