Status and Trends

Did You Know...?

USGS Frog Quiz
You can identify different amphibian species by their unique vocalizations or "frog calls." Not all amphibian species make vocalizations, but many frogs and toads do.

Taxa (different kinds of animals, plants and other life)

Tracking the status and trends of the Nation's birds, fish, mammals, amphibians, insects, plants, and other organisms is necessary to understand their distribution, abundance, status as endangered or threatened, and other characteristics of value to resource managers and the public. The Status and Trends of Biological Resources Program houses ornithologists, mammalogists, herpetologists, and other scientists that work together to provide the most comprehensive picture of the Nation's diverse biological resources.