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a frog sticking its head up from a pond covered in plants
Columbia Spotted Frog in the Blue Mountains of Oregon
Columbia Spotted Frog in the Blue Mountains of Oregon
Columbia Spotted Frog in the Blue Mountains of Oregon

Adult Columbia spotted frog photographed in Greenhorn pond in the Blue Mountains of Oregon

Adult Columbia spotted frog photographed in Greenhorn pond in the Blue Mountains of Oregon

Image: Brewer's sparrow in hand
Brewer's sparrow in hand
Brewer's sparrow in hand
Brewer's sparrow in hand

USGS' Steve Hanser holding a Brewer's sparrow (Spizella breweri).

map of western U.S.showing sagebrush-dominated ecoregions
Sagebrush-dominated ecoregions
Sagebrush-dominated ecoregions
Sagebrush-dominated ecoregions

Sagebrush-dominated ecoregions in the western United States (sagebrush cover types shown in various shades of yellow, pink, and blue-grey).

Sagebrush-dominated ecoregions in the western United States (sagebrush cover types shown in various shades of yellow, pink, and blue-grey).

Image: A Clay-Colored Sparrow Nest
A Clay-Colored Sparrow Nest
A Clay-Colored Sparrow Nest
A Clay-Colored Sparrow Nest

A colorful clay-colored sparrow nest. These sparrows live in brushy grasslands and prairie habitats.

A colorful clay-colored sparrow nest. These sparrows live in brushy grasslands and prairie habitats.