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Image: Slim Snaggletooth Snail (Gastrocopta pellucida)
Slim Snaggletooth Snail (Gastrocopta pellucida)
Slim Snaggletooth Snail (Gastrocopta pellucida)
Slim Snaggletooth Snail (Gastrocopta pellucida)

Gastrocopta pellucida shell viewed with a scanning electron microscope with a zoom-in of the aperture.

Image: Median Striate Snail (Striatura meridionalis)
Median Striate Snail (Striatura meridionalis)
Median Striate Snail (Striatura meridionalis)
Median Striate Snail (Striatura meridionalis)

Striatura meridionalis shell viewed with a scanning electron microscope with aperture facing up.

Image: Miradiscops opal
Miradiscops opal
Miradiscops opal
Miradiscops opal

Miradiscops opal shell viewed with a scanning electron microscope with aperture facing up.

Miradiscops opal shell viewed with a scanning electron microscope with aperture facing up.

Image: Boxelder Bugs Gather on the Leaves of Hosta
Boxelder Bugs Gather on the Leaves of Hosta
Boxelder Bugs Gather on the Leaves of Hosta
Boxelder Bugs Gather on the Leaves of Hosta

Adult, immature adult, and nymph state box elder bugs gather on the ground in a residential garden under a silver maple tree.

Image: Horseshoe crab (Limulus polyphemus)
Horseshoe crab (Limulus polyphemus)
Horseshoe crab (Limulus polyphemus)
Horseshoe crab (Limulus polyphemus)

A complete shell of a horseshoe crab lies in the tidal line on a beach among dried seaweeds.

Image: Red Mangrove (Rhizophora mangle)
Red Mangrove (Rhizophora mangle)
Red Mangrove (Rhizophora mangle)
Red Mangrove (Rhizophora mangle)

Prop roots of the red mangrove line the banks of a coastal marine estuary.

Image: Radio Transmitter on Shortnose Sturgeon
Radio Transmitter on Shortnose Sturgeon
Radio Transmitter on Shortnose Sturgeon
Radio Transmitter on Shortnose Sturgeon

External placement of radio transmitters on shortnose sturgeon in the Connecticut River.

Image: Sandhill Cranes Near Wind Turbines
Sandhill Cranes Near Wind Turbines
Sandhill Cranes Near Wind Turbines
Sandhill Cranes Near Wind Turbines

Sandhill Cranes fly in close proximity to wind turbines near Horicon National Wildlife Refuge in east-central Wisconsin, but to date no crane mortality has been associated with turbines in this area.

Sandhill Cranes fly in close proximity to wind turbines near Horicon National Wildlife Refuge in east-central Wisconsin, but to date no crane mortality has been associated with turbines in this area.

Image: Acacia (Acacia Sp.)
Acacia (Acacia Sp.)
Acacia (Acacia Sp.)
Acacia (Acacia Sp.)

Acacia thorns are stacked into hedges used as fences to protect land and livestock.

Acacia thorns are stacked into hedges used as fences to protect land and livestock.

Image: Giant reed (Arundo donax)
Giant reed (Arundo donax)
Giant reed (Arundo donax)
Giant reed (Arundo donax)

Researchers walk along a fence constructed of giant reed grass that separates agricultural fields.

Researchers walk along a fence constructed of giant reed grass that separates agricultural fields.

Image: Earthquake and Landslides in the Union of the Comoros
Earthquake and Landslides in the Union of the Comoros
Earthquake and Landslides in the Union of the Comoros
Earthquake and Landslides in the Union of the Comoros

A magnitude 4.8 earthquake struck the island of Anjouan in the Union of the Comoros on March 12, 2014.  Heavy rainfall trigger landslides and damages were incurred to buildings, roads, and water supplies. As a precaution, more than 3,000 citizens were moved to a refugee camp.

A magnitude 4.8 earthquake struck the island of Anjouan in the Union of the Comoros on March 12, 2014.  Heavy rainfall trigger landslides and damages were incurred to buildings, roads, and water supplies. As a precaution, more than 3,000 citizens were moved to a refugee camp.

Image: Earthquake and Landslides in the Union of the Comoros
Earthquake and Landslides in the Union of the Comoros
Earthquake and Landslides in the Union of the Comoros
Earthquake and Landslides in the Union of the Comoros

A magnitude 4.8 earthquake struck the island of Anjouan in the Union of the Comoros on March 12, 2014.  Heavy rainfall trigger landslides and damages were incurred to buildings, roads, and water supplies. As a precaution, more than 3,000 citizens living below the landslides were moved to a refugee camp.

A magnitude 4.8 earthquake struck the island of Anjouan in the Union of the Comoros on March 12, 2014.  Heavy rainfall trigger landslides and damages were incurred to buildings, roads, and water supplies. As a precaution, more than 3,000 citizens living below the landslides were moved to a refugee camp.

Image: Mallard (Anas platyrhynchos)
Mallard (Anas platyrhynchos)
Mallard (Anas platyrhynchos)
Mallard (Anas platyrhynchos)

Removal of esophageal contents from a 2-week old mallard duckling.

Image: Lethal Injection of a Mallard Duckling
Lethal Injection of a Mallard Duckling
Lethal Injection of a Mallard Duckling
Lethal Injection of a Mallard Duckling

Graduate student Christiane Roy taking a mallard duckling by lethal injection.

Image:  Zebra Mussel
Zebra Mussel
Zebra Mussel
Zebra Mussel

Zebra mussels are small, averaging about an inch long. Two inches is approximately the maximum size.  

Zebra mussels are small, averaging about an inch long. Two inches is approximately the maximum size.  

Image: Measuring Historic Atlanta Floods on Interstate 20
Measuring Historic Atlanta Floods on Interstate 20
Measuring Historic Atlanta Floods on Interstate 20
Measuring Historic Atlanta Floods on Interstate 20

A crew of USGS Georgia Water Science Center hydrologic technicians had to use "alternate" transportation on Interstate 20 west of Atlanta to measure the epic 2009 Atlanta floods.

Image: Mangrove Coral Site
Mangrove Coral Site
Mangrove Coral Site
Mangrove Coral Site

Above (top of picture) and below (bottom of picture) image of mangroves in Otter Creek where corals grow under and attached to mangrove prop roots.

Above (top of picture) and below (bottom of picture) image of mangroves in Otter Creek where corals grow under and attached to mangrove prop roots.

Image: Magnolia warbler
Magnolia warbler
Magnolia warbler
Magnolia warbler

Magnolia warbler in the Presidential Range, White Mountains, NH

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