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two veterinarians listen to a dolphins heart next to a dock
Photo

Navy Dolphin

A trained Navy dolphin assumes a voluntary right lateral present in the water and...
The acidic waters from the CO2 seeps can dissolve shells and also make it harder for shells to grow in the first place.
Photo

Dissolving Shell

The acidic waters from CO2 seeps can dissolve shells and also make it harder for...
For three weeks, the MV Chertan is home-base for the scientific team and will be transformed in a laboratory to study the effect of the CO2 seeps on reefs.
Photo

MV Chertain Lab Boat

For three weeks, the research ship MV Chertan is home-base for the scientific team...
Dolphins swimming among oily patches in the Gulf of Mexico
Photo

Dolphins Swim in Oily Waters

Striped dolphins (Stenella coeruleoalba) observed in emulsified oil on April 29,...
dugong feeds on seagrass in the Red Sea
Photo

Dugong Feeding

Dugongs, along with manatees, make up a group of marine mammals called sirenians or...
Ancient sea cow vertebra found in the Gatun Formation in Central America, Panama
Photo

Ancient Sea Cow Vertebra

A fossil vertebra that a Smithsonian researcher's mother found while prospecting in...
paleobiology field equipment for excavating a fossil whale in central america
Photo

Equipment for a Fossil Excavation

Paleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
Hedbergella sliteri - this specific specimen is the "holotype" for this species. That means it is the reference point for what all members of the species should look like.
Photo

Hedbergella sliteri

Hedbergella sliteri - this specific specimen is the "holotype" for this species....
Scientists attached this Crittercam to a sperm whale in an effort to film a giant squid in its natural habitat.
Photo

Crittercam

Smithsonian squid expert Dr. Clyde Roper collaborated with National Geographic to...
The Smithsonian Marine Mammal team moves into action after a dead sperm whale is spotted floating off Cape Hatteras, N.C.
Photo

Sperm Whale Post-Mortem

The Smithsonian Marine Mammal team moves into action after a dead sperm whale is...
A walrus sits on top of ice.
Photo

One Hundred Names for Sea Ice

To people living in warm climates, all ice looks the same. But if you live day-in...
Fossil Whale Digsite at Cerro Ballena, Chile
Photo

The Digsite at Cerro Ballena

Chilean and Smithsonian paleontologists study several fossil whale skeletons at...

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