This is a larval American Bullfrog, a large species of frog found throughout the eastern US. The larvae of this species can be identified by their large size and small black spots on the tail fin.
Images
Eastern Ecological Science Center images.
This is a larval American Bullfrog, a large species of frog found throughout the eastern US. The larvae of this species can be identified by their large size and small black spots on the tail fin.
A Red-tailed Hawk pursued by Common Grackles and an Eastern Kingbird along the Williamsport Breeding Bird Survey route
A Red-tailed Hawk pursued by Common Grackles and an Eastern Kingbird along the Williamsport Breeding Bird Survey route
USGS Eastern Ecological Science Center (formerly Leetown Science Center) National Fish Health Laboratory, Kearneysville, WV
USGS Eastern Ecological Science Center (formerly Leetown Science Center) National Fish Health Laboratory, Kearneysville, WV
A cerulean warbler (Setophaga cerulea) in a shrub, partially obscured by branches.
A cerulean warbler (Setophaga cerulea) in a shrub, partially obscured by branches.
A flock of Blue-winged teal at Uhler Marsh at the Eastern Ecological Science Center on the Patuxent Research Refuge in Laurel, MD.
A flock of Blue-winged teal at Uhler Marsh at the Eastern Ecological Science Center on the Patuxent Research Refuge in Laurel, MD.
A photo of an adult spotted salamander (Ambystoma maculatum). Spotted salamanders are found throughout the northeast US, where they spend most of their lives underground. They emerge in the late winter and early spring to breed and lay eggs in vernal pools.
A photo of an adult spotted salamander (Ambystoma maculatum). Spotted salamanders are found throughout the northeast US, where they spend most of their lives underground. They emerge in the late winter and early spring to breed and lay eggs in vernal pools.
Mycobacteriosis is a bacterial disease that can affect many species of fish around the world. We are studying the impacts of mycobacteriosis among northern snakehead from the Potomac River to better understand this disease in the species and the potential impacts to other aquatic animals.
Mycobacteriosis is a bacterial disease that can affect many species of fish around the world. We are studying the impacts of mycobacteriosis among northern snakehead from the Potomac River to better understand this disease in the species and the potential impacts to other aquatic animals.
US Fish and Wildlife Service Kodiak amphibious aircraft used in the GoMMAPPS aerial seabird surveys from 2017-2020 and 2022-2023.
US Fish and Wildlife Service Kodiak amphibious aircraft used in the GoMMAPPS aerial seabird surveys from 2017-2020 and 2022-2023.
Main building at the EESC-USGS- Conte Fish Research Lab in Turners Falls MA. Snow was clinging to the Blueberry bushes all along the front of the building as well as to all the branches of the maples trees in the distance.
Main building at the EESC-USGS- Conte Fish Research Lab in Turners Falls MA. Snow was clinging to the Blueberry bushes all along the front of the building as well as to all the branches of the maples trees in the distance.
Snow clinging to the apple trees & maples at EESC-Conte Lab
Snow clinging to the apple trees & maples at EESC-Conte LabSunny day after a heavy wet snow storm. Snow is clinging to all the branches on the apple trees orchard as well as the maple trees at the EESC-USGS-Conte Fish Research Lab in Turners Falls, MA
Snow clinging to the apple trees & maples at EESC-Conte Lab
Snow clinging to the apple trees & maples at EESC-Conte LabSunny day after a heavy wet snow storm. Snow is clinging to all the branches on the apple trees orchard as well as the maple trees at the EESC-USGS-Conte Fish Research Lab in Turners Falls, MA
USGS Experimental Stream Laboratory (ESL) in Kearneysville WV. This laboratory consists of 4 recirculating streams with pool and riffle habitat features. ESL research investigates fish population and community ecology to support conservation and restoration planning by state, federal, and NGO partners.
USGS Experimental Stream Laboratory (ESL) in Kearneysville WV. This laboratory consists of 4 recirculating streams with pool and riffle habitat features. ESL research investigates fish population and community ecology to support conservation and restoration planning by state, federal, and NGO partners.
A Fox Sparrow wintering at the Patuxent Research Refuge, Laurel, Maryland, USA.
A Fox Sparrow wintering at the Patuxent Research Refuge, Laurel, Maryland, USA.
A Fox Sparrow wintering at the Patuxent Research Refuge at the Eastern Ecological Science Center.
A Fox Sparrow wintering at the Patuxent Research Refuge at the Eastern Ecological Science Center.
The approximate home range of box turtle #218 based on the centroid of transmitter points for 2017-2018.
The approximate home range of box turtle #218 based on the centroid of transmitter points for 2017-2018.Shows the approximate home range of box turtle #218 based on the centroid of transmitter points for 2017-2018
The approximate home range of box turtle #218 based on the centroid of transmitter points for 2017-2018.
The approximate home range of box turtle #218 based on the centroid of transmitter points for 2017-2018.Shows the approximate home range of box turtle #218 based on the centroid of transmitter points for 2017-2018
A Yellow-bellied Sapsucker on a cold winter day taken in Owings, Maryland, USA
A Yellow-bellied Sapsucker on a cold winter day taken in Owings, Maryland, USA
Bald Eagles flying over the Patuxent River
Bald Eagles flying over the Patuxent River
Peregrine Falcon 'Ben" was banded with a USGS auxiliary marker, black over red H/34 in 2013. He nested for years on a building ledge in Chicago until struck a window and died in November 2024.
Peregrine Falcon 'Ben" was banded with a USGS auxiliary marker, black over red H/34 in 2013. He nested for years on a building ledge in Chicago until struck a window and died in November 2024.
A male lesser scaup at the USGS Eastern Ecological Science Center in Maryland. This bird was not part of this new research. Photograph taken in 2017. Credit: Jeffrey Sullivan, USGS.
A male lesser scaup at the USGS Eastern Ecological Science Center in Maryland. This bird was not part of this new research. Photograph taken in 2017. Credit: Jeffrey Sullivan, USGS.
A male White-tailed Deer at Eastern Ecological Science Center located on the Patuxent Research Refuge.
A male White-tailed Deer at Eastern Ecological Science Center located on the Patuxent Research Refuge.
Scientists record whether a surf scoter duck pecks at a target after tones are played at certain frequencies. This is part of a study by the USGS and partners to identify the frequencies at which sea ducks can hear underwater.
Scientists record whether a surf scoter duck pecks at a target after tones are played at certain frequencies. This is part of a study by the USGS and partners to identify the frequencies at which sea ducks can hear underwater.
A long-tailed duckling. This species was studied as part of research by the USGS and partners to identify the frequencies at which sea ducks can hear underwater.
A long-tailed duckling. This species was studied as part of research by the USGS and partners to identify the frequencies at which sea ducks can hear underwater.