What could be impacting the food source of Southern Resident killer whales?
There are currently 74 Southern Resident killer whales, and this population is listed as endangered in both Canada and the U.S. The species relies on Pacific salmon (Chinook and coho) for food, however these salmon populations have been decreasing for decades.
The cryptic lives of marine mammals: a century of marine mammal metabolisms
The metabolic rates of marine mammals who live their entire lives at sea or remain submerged for long periods of time are almost impossible to measure, creating large gaps in the data that scientists hope to fill with future technological innovations.
Sea lions and walruses in managed care reveal how wild animals handle environmental disturbance
Knowledge about resting metabolic rates or energy expenditures can lead to big, meaningful changes for the conservation of wild animals.
How to power a walrus
New study shows loss of sea ice will require walruses to swim more and eat more to survive climate change
Go walrus, go!
Walruses live in the rapidly changing Arctic. Dr. David Rosen is trying to figure out how climate change will impact the health of young walruses.