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Mangrove Hummingbird

Mangrove hummingbirds rely on the sweet nectar from the Pacific mangrove. This rare...

slideshow

Laysan Albatrosses’ Plastic Problem

Laysan albatrosses (Phoebastria immutabilis) are incredible birds. They have a...

slideshow

Celebrating Marine Moms

The ocean is home to many moms of all shapes and sizes: from charismatic polar...

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Blue Whale Specimen

This 1936 blue whale specimen from the Gulf of Alaska (above: preserved in alcohol,...

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Learning From A Stranded Fin Whale

Dr. Maya Yamato and colleague John Ososky dissect the head of a deceased stranded...

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King Penguins, Right Whale Beach, South Georgia Island, Southern Ocean

There are over 30 colonies of king penguins (Aptenodytes patagonicus) on South...

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Adélie Penguins Face Off

These cute Adélie penguins (Pygoscelis adeliae) are actually having a bit of a...

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Gentoo Penguin Mother and Chick

A gentoo penguin (Pygoscelis papua) mother stands with her chick in Antarctica....

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Tern and Loggerhead Sea Turtle, São Miguel Island, Azores, Portugal

“I slowly approached this bird resting on the back of a turtle just under the...

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Black Skimmer, Nickerson Beach, Long Island, N.Y., USA

“I visited the beach at sunrise after high tide and found this skimmer feeding,...

Personal Perspectives

Menopausal Moms: A Mammal Mystery

In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers...

Article

Citizens of the High Seas

In a world where land is partitioned into countries with defined borders, the ocean...