Images

Underwater photograph of Tumon Bay Marine Reserve, Guam, showing some of the amazing biologic diversity of coral reefs.

This photo shows an endangered hawksbill (Eretmochelys imbricata) swimming over a colony of elkhorn coral (Acropora palmata).

USGS scientists are doing research on sea turtles and corals in Florida and the US Virgin Islands.

Golden aspen, Jemez Mountains, NM.

While surveying for African dwarf crocodiles (Osteolaemus tetraspis) on the Djidji River in Gabon’s Ivindo NP as part of my Ph.D. research (2007), Eaton pulled this 2.4 m slender-snouted crocodile (Mecistops cataphractus) from a fishing net in which it became entangled while trying to steal a fish.  (credit – M. Eaton)

A section of the Blue Ridge Parkway in North Carolina with many fall colors underway.

A diversity of birds forage for small fish and invertebrates on fallow fields throughout the year.

Delaney Creek, Yosemite National Park

Center pivot irrigation system watering a cornfield in Arizona

The trees between the pond and the field are trees along a running creek. The pond had mixed vegetation (native and nonnative) restored along its edge as a runoff buffer.

Haleakala silversword, Argyroxyphium sandwicense subsp. macrocephalum, in bloom, with Haleakala Volcano crater in background.

Four endangered Nene geese, photographed atop the sea cliffs on Kauai's north shore.

The mountains that encompass Hawaii's Limahuli Garden and Preserve.

Just after sunrise on a beach in eastern Maui.

Just after sunrise on a beach in eastern Maui.

Just after sunrise on a beach in eastern Maui.

Lava islands, vegetated seaside cliffs, a black sand beach, and waves breaking against the steep ragged shoreline of a Hawaiian bay.

This hiking trail, Pandanus trees, an understory of Beach naupaka, and crashing waves characterize the windy cliff-tops along this jagged coast of solidified lava in Hawaii.

USGS Oklahoma Water Science Center Hydrologist Shana Mashburn and Tribal Environmental Technician seine for fish and insects during Tribal training class near Pauls Valley, Oklahoma.

This is sagebrush burning at Hart Mountain National Antelope Refuge in association with a management project located 65 miles northeast of Lakeview, OR.

Wildfire is one of the largest sources of re-released mercury to the atmosphere and a component to the widespread movement of inorganic mercury to aquatic sediments.

Controlled burn at Hart Mountain National Wildlife Refuge, Oregon.