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/ Home / Marine Mammal Research Unit

Marine Mammal Research Unit

American manatee

Following manatees across changing coastlines

A special focus on Lesser-Known Marine Mammals

Posted in 2026, IOFNews, News Release | Tagged with Brazil, Carol Meirelles, conservation, freshwater, habitats, manatees, Marine Mammal Research Unit, marine mammals, MMRU, strandings

Orcas and dolphins seen hunting together for the first time

Orcas and dolphins seen hunting together for the first time

Canadian researchers capture rare video of killer whales and dolphins working together to forage salmon off B.C. coast, suggesting the two species have forged a co-operative relationship 

Posted in 2025, IOFNews, News Release | Tagged with Andrew Trites, British Columbia, dolphins, drones, killer whales, Marine Mammal Research Unit, MMRU, orca, Pacific Ocean, Research, Sarah Fortune

Sea lion - © Ana Pozas

Diet alone doesn’t explain divergent health of California Sea Lions in US and Mexico

Instead of asking whether sea lions are eating the right food, the answer, it seems, depends on where they happen to live.

Posted in 2025, IOFNews, News Release | Tagged with California, California sea lions, diet, energetics, Marine Mammal Research Unit, marine mammals, Mexico, population size, sea lions

West Coast mammal-eating killer whales are two distinct communities that rarely mix

West Coast mammal-eating killer whales are two distinct communities that rarely mix

New research reveals West Coast mammal-eating killer whales form two distinct communities—inner and outer coast transients—that rarely mix, with unique diets, habitats and behaviors.

Posted in 2025, IOFNews, News Release | Tagged with Andrew Trites, Josh McInnes, killer whales, Marine Mammal Research Unit, orca

“Ocean Idioms” to teach you about our oceans

“Ocean Idioms” to teach you about our oceans

In honour of World Ocean Day, we present OCEAN IDIOMS!

Posted in 2025, IOFNews, News Release | Tagged with Andrew Trites, Anna McLaskey, carbon, Christopher Harley, coastal ecosystems, coastal environment, Daniel Pauly, David Rosen, faculty, FERU, Gill Oxygen Limitation Theory (GOLT), Illegal fishing, IOF students, killer whales, Marine Mammal Research Unit, marine mammals, MMean Lab, orca, Pelagic Ecosystems Lab, plankton, pollutants, Rashid Sumaila, Sea Around Us, sea lions, wildfire, zooplankton

Shark-bitten orcas in the Northeastern Pacific could be a new population of killer whale

Shark-bitten orcas in the Northeastern Pacific could be a new population of killer whale

UBC researchers believe a group of killer whales observed hunting marine mammals including sperm whales, as well as a sea turtle, in the open ocean off California and Oregon could be a new population.

Posted in 2024, IOFNews, News Release | Tagged with Andrew Trites, IOF students, Josh McInnes, killer whales, Marine Mammal Research Unit, marine mammals, orca, Pacific Ocean, Research, whales

Hungry, hungry otters! Looking at captive sea otters to understand their wild counterparts

Hungry, hungry otters! Looking at captive sea otters to understand their wild counterparts

These furry marine mammals seem to have bottomless stomachs — what does that mean for the habitats and species around them?

Posted in 2023, IOFNews, News Release | Tagged with David Rosen, IOF students, Kelp forests, Marine Mammal Research Unit, marine mammals, MMRU, Pacific Ocean, sea otters, sea urchins, tidal zones, Vancouver Aquarium

Illustrated catalogue with local artwork showcases the Transient Killer Whales of Central and Northern California and Oregon – the ‘wolves of the sea’

Illustrated catalogue with local artwork showcases the Transient Killer Whales of Central and Northern California and Oregon – the ‘wolves of the sea’

Science is not just for scientists. Citizen science has been instrumental in helping us understand more about the elusive, but majestic, transient killer whales.

Posted in 2023, IOFNews, News Release | Tagged with Andrew Trites, citizen science, faculty, IOF students, Josh McInnes, Marine Mammal Research Unit, Pacific, Publications, Research, whales

Teenage orcas could be roughhousing with boats off the coast of Spain

Teenage orcas could be roughhousing with boats off the coast of Spain

Killer whales are in the news for sinking boats off the coast of Spain.

Posted in 2023, IOFNews, News Release | Tagged with Andrew Trites, Europe, faculty, IOF students, killer whales, Marine Mammal Research Unit, orca, whales

How do marine mammals make decisions about diving?

How do marine mammals make decisions about diving?

PhD candidate Rhea Storlund decided to take an unconventional approach to understand how marine mammals dive by asking human breath-hold divers about the decisions they make.

Posted in 2022, IOFNews, News Release | Tagged with IOF students, Marine Mammal Research Unit, marine mammals, Research

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Institute for the Oceans and Fisheries
Faculty of Science
Vancouver Campus
The University of British Columbia
AERL, 2202 Main Mall
Vancouver, BC Canada V6T 1Z4
Tel 604 822 2731
Website oceans.ubc.ca
Email info@oceans.ubc.ca
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