Images

Laughing gull sitting atop a guano-streaked boulder beside a Caribbean beach. Species identification is tentative.

Laughing gull sitting atop a guano-streaked boulder beside a Caribbean beach. Species identification is tentative.

Pacific pocket mouse in hand

Caribbean sunset as seen from the British Virgin Islands.

Caribbean sunset as seen from the British Virgin Islands.

Sandy Caribbean beach in the British Virgin Islands.

Cacti and dryland vegetation beside a Caribbean trail in the British Virgin Islands.

Caribbean trail at "The Baths," a coastal National Park in the British Virgin Islands.

Cacti and dryland vegetation beside a Caribbean trail in the British Virgin Islands.

Assorted cacti and dryland vegetation beside a Caribbean trail in the British Virgin Islands.

Cacti and dryland vegetation beside a Caribbean trail in the British Virgin Islands.

Cacti and dryland vegetation beside a Caribbean trail in the British Virgin Islands.

Golden early morning sunlight on a dry, rocky headland. Note the pelican, the cacti, and the xeric vegetation.

Yellow poinciana growing as a landscape ornamental in the British Virgin Islands. Species identification is tentative.

Contrastingly shadowed sand dune ripples at Great Sand Dunes National Park.

This picture, taken June 6, 2008 at Dahomey National Wildlife Refuge near Benoit, MS, shows a shallow pond in a former agricultural area planted with hardwood tree species typical of restoration areas in the Mississippi Delta region of northwestern Mississippi.

Three geese at a farm in East Texas. Two are displaying a defensive warning behavior, which was accompanied by a loud hissing sound.

Papaya tree (Carica papaya) with multiple unripened papayas growing in Virgin Islands National Park.

The narrow waters of Drake's Passage separate the U.S. Virgin Islands (foreground) from the British Virgin Islands in the distance.

The narrow waters of Drake's Passage separate the U.S. Virgin Islands (foreground) from the British Virgin Islands in the distance.

Graduate student, Megan Jones, changes the batteries on a remote sensor camera used to monitor predator movement in Conservation Reserve Program fields in southwest Wisconsin.