Images

This photograph highlights the grandeur of the mountains and plains. The group of trees in the left foreground is part of a larger forest.

Many aspen groves in Yellowstone National Park are failing to regenerate.

This cuckoo bee, or Nomada vegana, is a native bee species associated with open grassland habitats in northwest Indiana. It is a parasitic bee that lays its eggs in nests of other bees.

Balanced Rock, a famous attraction in Arches National Park. Photograph taken after noon.

A Sundew plant taken at the Indiana Dunes National Lakeshore, Indiana

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

Small waterfall in the Gunnison River Canyon.

Waterfall in a mountain river.

Prairie Smoke, Geum triflorum, located in a prairie region in North Dakota, USA

Hilltop view of the Ravenswood ponds (right side of levee) in South San Francisco Bay. These former salt-production ponds were subsequently slated for a major wetland restoration project. 

Two Cynomys leucurus peering from the neck of a burrow.

Hollow in living tree in gallery forest of tributary to Tebicuary river. Grey feathers stuck along bottom of entrance suggest that it may be used by a bird. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. The Ñeembucú Region is typified by extensive grasslands and wetlands.

Side view of a wasp nest hanging from tree trunk in gallery forest of tributary to Tebicuary river. The stem-like structure attaching it to the trunk is part of the nest. Diameter approximately 40 cm. The Ñeembucú Region is typified by extensive grasslands and wetlands. Near 26°34’52’’S, 56°49’18’’W.

Ant hill near grassland-forest ecotone near Tebicuary river. This former pasture has not been grazed since an endangered bird species was discovered here half a dozen years ago. The Ñeembucú Region is typified by extensive grasslands and wetlands. Near 26°34’52’’S, 56°49’18’’W. (Guyra Paraguay 2004, Annotated Checklist of the Birds of Paraguay, Paraguay.)

Caracaras in gallery forest along Tebicuary river. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. The Ñeembucú Region is typified by extensive grasslands and wetlands. A total of 384 bird species have been recorded in this region, of which two have not been recorded elsewhere in Paraguay. Near 26°34’52’’S, 56°49’18’’W.

Squirrel stepping out from it's ground burrow.

Side view of a wasp nest hanging from tree trunk in gallery forest of tributary to Tebicuary river. The stem-like structure attaching it to the trunk is part of the nest. Diameter approximately 40 cm. The Ñeembucú Region is typified by extensive grasslands and wetlands. Near 26°34’52’’S, 56°49’18’’W.

Underneath view of a wasp nest hanging from tree trunk in gallery forest of tributary to Tebicuary river. The diameter is approximately 40 cm. The Ñeembucú Region is typified by extensive grasslands and wetlands. Near 26°34’52’’S, 56°49’18’’W. (Portion of text from: Guyra Paraguay 2004, Annotated Checklist of the Birds of Paraguay, Paraguay.)

Cynomys leucurus resting on its haunches next to a burrow.

Cynomys leucurus peering from a burrow, with its head barely visible.

Burrows of Cynomys leucurus dug into the ground.