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A vaquita swim in the ocean.
Timeline

A History Entwined: Vaquita, Totoaba, Fishermen

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

Navy Dolphin

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veterinarians hold a dolphin
Photo

Bay Dolphin

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a veterinarian listens to a dolphin's heartbeat
Photo

Heart Check Up

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a veterinarian listens to a dolphin's heartbeat
Article

The Musical Hearts of Dolphins

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An aerial view of Phoenix the right whale at the surface of the ocean.
Video

Phoenix the North Atlantic Right Whale Video

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A screenshot from video showing three orcas swimming.
Video

Killer Whale: Orca

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A right whale breaches, lifting its huge body out of the water.
Overview

North Atlantic Right Whale

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Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
Slideshow

Backbone of Biodiversity at Risk

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Smithsonian researchers eat a meal in preparation for a fossil excavation
Slideshow

A Squalodontid Success

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a wet river otter face
Article

Fecal Insights: How River Otters Help Us Understand Parasites and Ecosystem Health

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In this painting, a giant squid engages in a struggle for survival with a sperm whale.
Article

The Mystery of Ambergris

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