Southern sea otters (Enhydra lutris nereis) float in Morro Bay, CA.
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Southern sea otters (Enhydra lutris nereis) float in Morro Bay, CA.
Healthy-looking riparian habitat in Baja California, Mexico.
Healthy-looking riparian habitat in Baja California, Mexico.
USGS colleagues from Centro de Investigaciones Biológicas del Noroeste in Baja California, Mexico hold an endangered Least Bell's Vireo.
USGS colleagues from Centro de Investigaciones Biológicas del Noroeste in Baja California, Mexico hold an endangered Least Bell's Vireo.
Riparian habitat and a very fine-mesh "mist net" in Baja California, Mexico. Mist netting efforts are part of an ongoing study that examines migratory behaviors of the endangered Least Bell's Vireo.
Riparian habitat and a very fine-mesh "mist net" in Baja California, Mexico. Mist netting efforts are part of an ongoing study that examines migratory behaviors of the endangered Least Bell's Vireo.
USGS jeep on exposed river rocks, Baja California, Mexico.
USGS jeep on exposed river rocks, Baja California, Mexico.
Mexican scientist and USGS partner examines a flicker captured in Baja California, Mexico.
Mexican scientist and USGS partner examines a flicker captured in Baja California, Mexico.
Mexican scientists examine an endangered Least Bell's Vireo for ectoparasites in Baja California, Mexico.
Mexican scientists examine an endangered Least Bell's Vireo for ectoparasites in Baja California, Mexico.
Scientists examine an endangered Least Bell's Vireo in Baja California, Mexico.
Scientists examine an endangered Least Bell's Vireo in Baja California, Mexico.
Riparian habitat with palms in Baja California, Mexico.
Riparian habitat with palms in Baja California, Mexico.
Lush riparian habitat in Baja California, Mexico.
Lush riparian habitat in Baja California, Mexico.
USGS researcher holds an endangered least Bell’s vireo marked with a brightly-colored ID tag. The USGS is learning about the threats that these birds face in different parts of their range and are providing the science needed to assist the U.S. Fish and Wildlife Service and international efforts to recover least Bell’s vireo populations.
USGS researcher holds an endangered least Bell’s vireo marked with a brightly-colored ID tag. The USGS is learning about the threats that these birds face in different parts of their range and are providing the science needed to assist the U.S. Fish and Wildlife Service and international efforts to recover least Bell’s vireo populations.
USGS ecologist Suellen Lynn calls endangered Least Bell's Vireos to a fine mesh net using recorded territorial calls.
USGS ecologist Suellen Lynn calls endangered Least Bell's Vireos to a fine mesh net using recorded territorial calls.
Goose wearing a GPS collar around its neck flies over water
Goose wearing a GPS collar around its neck flies over water
Goose wearing a GPS collar around its neck flies over water
Goose wearing a GPS collar around its neck flies over water
Yellow Lipped Sea Krait, a type of sea snake, in the in the Mamanuca Islands of Fiji.
Yellow Lipped Sea Krait, a type of sea snake, in the in the Mamanuca Islands of Fiji.
USGS biologist Jeffrey Kohl holds a Lesser Snow Goose marked with a GSM/GPS solar-powered neck collar.
USGS biologist Jeffrey Kohl holds a Lesser Snow Goose marked with a GSM/GPS solar-powered neck collar.
While heading out to a survey plot off of San Pablo Bay, an egret flies over the Petaluma River in the early morning.
While heading out to a survey plot off of San Pablo Bay, an egret flies over the Petaluma River in the early morning.
Kevin Buffington (USGS) and Tess Forstner (USGS) measure the elevation of the Tule Slough wetlands, CA.
Kevin Buffington (USGS) and Tess Forstner (USGS) measure the elevation of the Tule Slough wetlands, CA.
Tess Forstner (USGS) and Kevin Buffington (USGS) set out on the Petaluma River, CA. Under the guidance of Dr. Karen Thorne, they are studying the effects of rising seas on Pacific coastal wetlands.
Tess Forstner (USGS) and Kevin Buffington (USGS) set out on the Petaluma River, CA. Under the guidance of Dr. Karen Thorne, they are studying the effects of rising seas on Pacific coastal wetlands.
A female northern harrier (Circus cyaneus) gazes into the camera at Suisun Marsh, CA.
A female northern harrier (Circus cyaneus) gazes into the camera at Suisun Marsh, CA.
USGS scientist holds a young skunk with an ear tag ID and a lightweight GPS collar. The USGS is studying the movement patterns of skunks and raccoons in Suisun Marsh, CA to learn how they use different landscape features, like levee roads, to navigate to waterfowl nests.
USGS scientist holds a young skunk with an ear tag ID and a lightweight GPS collar. The USGS is studying the movement patterns of skunks and raccoons in Suisun Marsh, CA to learn how they use different landscape features, like levee roads, to navigate to waterfowl nests.