Lodgepole pine in a mountain meadow
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Lodgepole pine in a mountain meadow
Lodgepole pine in a mountain meadow
USGS scientist collecting water samples from an amphibian monitoring
USGS scientist collecting water samples from an amphibian monitoring site in Livermore, California.
USGS scientist collecting water samples from an amphibian monitoring site in Livermore, California.
Pacific pocket mouse in Sherman trap
Pacific pocket mouse in Sherman trap
Pacific pocket mouse in Sherman trap
Pacific pocket mouse
Pacific pocket mouse
Pacific pocket mouse
WERC A Silky Flycatcher with a Mistletoe Berry
A female silky flycatcher with a mistletoe berry in her beak. These flycatchers are intimately tied to mistletoe. They build their beautiful cup nests (much like a large hummingbird nest) within the mistletoe, or nearby. The young hatch during February when the mistletoe may be in flower and supply a rich source of insect nutrients for growing young.
A female silky flycatcher with a mistletoe berry in her beak. These flycatchers are intimately tied to mistletoe. They build their beautiful cup nests (much like a large hummingbird nest) within the mistletoe, or nearby. The young hatch during February when the mistletoe may be in flower and supply a rich source of insect nutrients for growing young.
Palmer's Chipmunk (Tamias palmeri)
Palmer's chipmunk (Tamias palmeri).
Palmer's chipmunk (Tamias palmeri).
Pacific pocket mouse in hand
Pacific pocket mouse in hand
Pacific pocket mouse in hand
Mountain Yellow-Legged Frog Habitat
Potential habitat for the endangered mountain yellow-legged frog (Rana muscosa).
Potential habitat for the endangered mountain yellow-legged frog (Rana muscosa).
Waterbirds Feeding at Flooded Field
Credit Douglas Barnum/USGS. A photo of white-faced ibis and gulls feeding on a flooded agricultural field post-harvest.
Credit Douglas Barnum/USGS. A photo of white-faced ibis and gulls feeding on a flooded agricultural field post-harvest.
Mountain Yellow-Legged Frog (Rana muscosa)
Endangered mountain yellow-legged frog (Rana muscosa).
Endangered mountain yellow-legged frog (Rana muscosa).
Mountain Yellow-Legged Frog (Rana Muscosa)
An endangered mountain yellow-legged frog (Rana muscosa).
An endangered mountain yellow-legged frog (Rana muscosa).
Foxtail pine cones at different stages of development
This photo shows foxtail pine cones in different stages of development. The small, tightly closed purplish cones are the most recently formed, the ones on the right older but not yet opened, and the one in the center of the image has already opened and dropped its seeds, which are tucked at the base of the scales.
This photo shows foxtail pine cones in different stages of development. The small, tightly closed purplish cones are the most recently formed, the ones on the right older but not yet opened, and the one in the center of the image has already opened and dropped its seeds, which are tucked at the base of the scales.
Giant sequoia grove showing char marks
Giant sequoias on a slope, with several showing marks of fires the trees have survived.
Giant sequoias on a slope, with several showing marks of fires the trees have survived.
Snowy scene in a red fir forest
Red firs in the Sierra Nevada
Red firs in the Sierra Nevada
Winter, Postfire Landscape in the Mojave Desert
Picture taken February, 2006, Beaver Dam mountains, UT. Postfire landscape taken after a summer 2005 fire in what was previously blackbrush scrub.
Picture taken February, 2006, Beaver Dam mountains, UT. Postfire landscape taken after a summer 2005 fire in what was previously blackbrush scrub.
Diverse Natural Habitat, Mojave National Preserve
This is what an unburned mid-elevation community in the Hackberry region of the Mojave National Preserve looks like. Note the dense cover and high diversity of shrubs. There are few if any invasive plants in the community.
This is what an unburned mid-elevation community in the Hackberry region of the Mojave National Preserve looks like. Note the dense cover and high diversity of shrubs. There are few if any invasive plants in the community.
Blackbrush and Transect, Mojave National Preserve
Dense cover of native blackbrush, with a low diversity of shrubs. There are few if any invasive plants in the community.
Dense cover of native blackbrush, with a low diversity of shrubs. There are few if any invasive plants in the community.
California Red-legged Frog
California red-legged frog (Rana draytonii) surfaces in a pond in Point Reyes National Seashore, CA.
California red-legged frog (Rana draytonii) surfaces in a pond in Point Reyes National Seashore, CA.
Herpetologist Dr. Gary Fellers
The late USGS herpetologist Dr. Gary Fellers
The late USGS herpetologist Dr. Gary Fellers
Southern California Neighborhood Scarred by Wildfire
Southern California neighborhood scarred by wildfire.
Southern California neighborhood scarred by wildfire.
This Fish Gets to Taste What is Tasting it
This cymothoid isopod (Nerocila californica) chews on the tongue of its mullet host (Mugil cephalus).
This cymothoid isopod (Nerocila californica) chews on the tongue of its mullet host (Mugil cephalus).