Students pet the newborn duckling at the Patuxent Research Center.
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Students pet the newborn duckling at the Patuxent Research Center.
Baby ducklings born a week ago at the Patuxent Research Center.
Baby ducklings born a week ago at the Patuxent Research Center.
USGS employee Melanie Gade holding a baby duck at the Patuxent Research Center.
USGS employee Melanie Gade holding a baby duck at the Patuxent Research Center.
Two whooping cranes at the Patuxent Research Center.
Two whooping cranes at the Patuxent Research Center.
These invasive quagga mussels were caught using a trawl, or fishing net.
These invasive quagga mussels were caught using a trawl, or fishing net.
Four Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Four Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks and egg in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks and egg in nest, Steens Mountain, SE Oregon.
Four Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Four Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Four Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Four Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks and egg in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks and egg in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks and egg in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks and egg in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks and egg in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks and egg in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
An Agassiz's desert tortoise in a wind energy facility near Palm Springs, California. USGS scientists have been studying the ecology of tortoises at this industrial site since the mid-1990s to learn more about the effects of utility-scale renewable energy development and operation on these threatened tortoises.
An Agassiz's desert tortoise in a wind energy facility near Palm Springs, California. USGS scientists have been studying the ecology of tortoises at this industrial site since the mid-1990s to learn more about the effects of utility-scale renewable energy development and operation on these threatened tortoises.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Brewer's sparrow (Spizella breweri) chicks in nest, Steens Mountain, SE Oregon.
Depredated Brewer's sparrow (Spizella breweri) chick and nest, Steens Mountain, SE Oregon.
Depredated Brewer's sparrow (Spizella breweri) chick and nest, Steens Mountain, SE Oregon.