Squirrel treefrogs are also native to Florida and Louisiana. Hear them calling from ditches, puddles and other ephemeral pools of water. Credit: Paul Moler, used with permission.
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Squirrel treefrogs are also native to Florida and Louisiana. Hear them calling from ditches, puddles and other ephemeral pools of water. Credit: Paul Moler, used with permission.
The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them.
The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
Bats produce a variety of vocalizations that are used for navigation, feeding, and social communication. Most vocalizations are pitched well above the range of human hearing and are referred to as ultrasonic.
This is the call of the elusive Ashy Storm-Petrel (Oceanodroma homochroa). Ashy Storm-Petrels nest in burrows and crevices on offshore rocks and islands. To avoid predators, they only arrive and depart their island nests under the cover of darkness. That makes studying them pretty difficult.
This is the call of the elusive Ashy Storm-Petrel (Oceanodroma homochroa). Ashy Storm-Petrels nest in burrows and crevices on offshore rocks and islands. To avoid predators, they only arrive and depart their island nests under the cover of darkness. That makes studying them pretty difficult.
Amphibians’ permeable skin makes them incredibly sensitive to changes in their environment. Scientists and conservationists alike are using them as “sentinel species” that could provide early warnings of ecosystem change and stress affecting them and other organisms. Next time you are out, stop and listen. Do you hear them?
Amphibians’ permeable skin makes them incredibly sensitive to changes in their environment. Scientists and conservationists alike are using them as “sentinel species” that could provide early warnings of ecosystem change and stress affecting them and other organisms. Next time you are out, stop and listen. Do you hear them?
Amphibians’ permeable skin makes them incredibly sensitive to changes in their environment. Scientists and conservationists alike are using them as “sentinel species” that could provide early warnings of ecosystem change and stress affecting them and other organisms. Next time you are out, stop and listen. Do you hear them?
Amphibians’ permeable skin makes them incredibly sensitive to changes in their environment. Scientists and conservationists alike are using them as “sentinel species” that could provide early warnings of ecosystem change and stress affecting them and other organisms. Next time you are out, stop and listen. Do you hear them?
Amphibians’ permeable skin makes them incredibly sensitive to changes in their environment. Scientists and conservationists alike are using them as “sentinel species” that could provide early warnings of ecosystem change and stress affecting them and other organisms. Next time you are out, stop and listen. Do you hear them?
Amphibians’ permeable skin makes them incredibly sensitive to changes in their environment. Scientists and conservationists alike are using them as “sentinel species” that could provide early warnings of ecosystem change and stress affecting them and other organisms. Next time you are out, stop and listen. Do you hear them?
The sound of Hawaiian hoary bats hunting insects.
What do walrus sound like? Listen to audio clips of walrus bellowing as they are hauled out on the northwest coast of Alaska.
What do walrus sound like? Listen to audio clips of walrus bellowing as they are hauled out on the northwest coast of Alaska.
What do walrus sound like? Listen to audio clips of walrus bellowing as they are hauled out on the northwest coast of Alaska.
What do walrus sound like? Listen to audio clips of walrus bellowing as they are hauled out on the northwest coast of Alaska.
What do walrus sound like? Listen to audio clips of walrus bellowing as they are hauled out on the northwest coast of Alaska.
What do walrus sound like? Listen to audio clips of walrus bellowing as they are hauled out on the northwest coast of Alaska.
What do walrus sound like? Listen to audio clips of walrus bellowing as they are hauled out on the northwest coast of Alaska.
What do walrus sound like? Listen to audio clips of walrus bellowing as they are hauled out on the northwest coast of Alaska.
A worldwide earthquake drill, known as the Great ShakeOut, will be held on Thursday, October 17 at 10:17AM local time. The drill is your chance to practice how to protect yourself in the event of an earthquake.
A worldwide earthquake drill, known as the Great ShakeOut, will be held on Thursday, October 17 at 10:17AM local time. The drill is your chance to practice how to protect yourself in the event of an earthquake.
An interview with USGS scientist David Krabbenhoft about an article he co-authored in Science about global change's effects on mercury around the world.
An interview with USGS scientist David Krabbenhoft about an article he co-authored in Science about global change's effects on mercury around the world.
An interview with USGS scientist emeritus Richie Williams about his career studying the Earth's cryosphere with remote sensing technology.
An interview with USGS scientist emeritus Richie Williams about his career studying the Earth's cryosphere with remote sensing technology.
On April 30, 2013, USGS released an updated assessment of the Bakken Formation of North Dakota and Montana as part of the National Oil and Gas Assessment.
On April 30, 2013, USGS released an updated assessment of the Bakken Formation of North Dakota and Montana as part of the National Oil and Gas Assessment.
Birds and insects at a pond at St. Marks National Wildlife Refuge (Florida) April 2013 at 6:00am
Birds and insects at a pond at St. Marks National Wildlife Refuge (Florida) April 2013 at 6:00am