What Is A Marine Mammal? A Complete Guide
Natural History - Dolphin Research Center
What's in the Net – Over one million turtles, seals, dolphins and seabirds killed each year by fishing — WWF Protecting Whales & Dolphins Initiative
Fishing Gear is Killing Hundreds and Thousands of Whales, Seals and Turtles
Fishing Gear is Killing Hundreds and Thousands of Whales, Seals and Turtles
Over 1,000 sea lions, dolphins are getting sick and dying as toxic bloom off California coast expands
Thousands of Sea Lion Pups Dead From Starvation
Plastics Plague Our Oceans, Killing Marine Mammals (The Hill) - International Marine Mammal Project
Marine animals are swallowing and becoming entangled in plastic at alarming rates, report finds - ABC News