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Science

USGS—in cooperation with Federal, State of California, and local agencies; academia; and the public—is working to provide science essential to addressing issues in the Bay-Delta. Explore the research themes below and their associated science topics to learn more about specific USGS research projects.

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Water Quantity and Quality

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Environmental Contamination

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Species and Habitat

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Natural Hazards

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Land Subsidence

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Climate Impacts

FAQs

Does banding hurt birds?

No, banding does not hurt birds. When proper techniques and equipment are carefully employed, it’s a safe procedure for birds. Trained banders, who apply their expertise and thoughtfulness towards the health and well-being of the birds, follow strict procedures based on the Bander’s ethic code.

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Does banding hurt birds?

No, banding does not hurt birds. When proper techniques and equipment are carefully employed, it’s a safe procedure for birds. Trained banders, who apply their expertise and thoughtfulness towards the health and well-being of the birds, follow strict procedures based on the Bander’s ethic code.

Learn More

Are there invasive reptiles other than Burmese pythons in the United States that people should be concerned about?

Free-ranging reptiles representing dozens of species from around the world are detected in the United States in any given year, usually as a result of escape or illegal release. Fortunately, many of these individuals fail to establish reproductive populations, but all non-native species can potentially pose risks when introduced. Florida is a major transportation hub and has a climate that’s...

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Are there invasive reptiles other than Burmese pythons in the United States that people should be concerned about?

Free-ranging reptiles representing dozens of species from around the world are detected in the United States in any given year, usually as a result of escape or illegal release. Fortunately, many of these individuals fail to establish reproductive populations, but all non-native species can potentially pose risks when introduced. Florida is a major transportation hub and has a climate that’s...

Learn More

Can Burmese Pythons swim from the Everglades to the Florida Keys?

A number of Burmese pythons have been found on Key Largo, and a few in the Lower Keys. However, there is as yet no evidence of a breeding population anywhere in the Keys. Because pythons regularly escape or are released from captivity, it can be difficult to determine whether a snake encountered in the Keys arrived there by swimming from the mainland or was a former captive pet on the island...

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Can Burmese Pythons swim from the Everglades to the Florida Keys?

A number of Burmese pythons have been found on Key Largo, and a few in the Lower Keys. However, there is as yet no evidence of a breeding population anywhere in the Keys. Because pythons regularly escape or are released from captivity, it can be difficult to determine whether a snake encountered in the Keys arrived there by swimming from the mainland or was a former captive pet on the island...

Learn More