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![Giant Pacific Manta Ray, Roca Partida Sea Mount, Revillagigedos Islands, Mexico](/sites/default/files/styles/3_2_large/public/2023-11/DeborahSmrekar_Manta.jpg.webp?itok=ig_hWKMX)
Article
Tagging and Tracking Animals Underwater
How do we know where ocean animals swim day and night? Scientists are getting......
May 2012
![A humpback whale breaching in Antarctic waters.](/sites/default/files/styles/3_2_large/public/2023-11/humpback_breaching_in_antarctic.jpeg.webp?itok=IYiQZU9o)
Personal Perspectives
Humpback Whales in Antarctica: What Are the Whales Doing?
Humpback whales (Megaptera novaengliae) are the most abundant baleen whale in the......
February 2013
![An adult and juvenile killer whale frolic in the water.](/sites/default/files/styles/3_2_large/public/2023-11/22009_killer-whales-orcinus-orca.jpg.webp?itok=_4sJuUEM)
Personal Perspectives
Menopausal Moms: A Mammal Mystery
In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers......
May 2011
![Three Killer whales (Orca) swim along side researchers.](/sites/default/files/styles/3_2_large/public/2023-11/ResearchersAndOrcas750_0.jpg.webp?itok=8iagNYnR)
Personal Perspectives
Listening for Clues About Sonar’s Effects on Marine Mammals
Many animals depend on their eyes to navigate, find food, locate mates, and for......
January 2011
![A Ship-Wary Beaked Whale A beaked whale at the ocean's surface](/sites/default/files/styles/3_2_large/public/2023-11/gervaisbeakedwhale_sefsc.jpg.webp?itok=u0O_xyGv)
Article
Seeing with Sound: Acoustic monitoring of beaked whales
When compared to dolphins and large baleen whales, beaked whales lose a bit of the......
November 2017
![A narwhal breaches the surface, its tusk pointed to the sky](/sites/default/files/styles/3_2_large/public/2023-11/%28GW%29-narwhal-tusk.jpg.webp?itok=VHU7jvmg)
Article
Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous
In the frigid Arctic Ocean, a mysterious toothed whale—the narwhal— resides......
August 2017
![Phoenix swimming with her calf. Phoenix swimming with her calf.](/sites/default/files/styles/3_2_large/public/2023-11/5_Phoenix_and_Calf_020907_0_1.jpg.webp?itok=vgGiQdXK)
Article
Scientists Use Bioacoustics to Protect Marine Mammals
Marine mammals such as whales, dolphins, and seals have an amazing ability to hold......
September 2011