New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two distinct subpopulations: inner and outer coast transients.

Researchers captured the novel behavior on video in the Gulf of California, recording three separate takedowns across two ...

A pod of orcas in the Gulf of California has repeatedly hunted juvenile white sharks to feast on their livers.

From the frigid waves to crowded beaches, elephant seals dominate through their incredible mass and booming displays. Their ...

Elephant seal class of 2025 is arriving on the beach. The young seals, not yet in the breeding population, take over the beach at this time of year. Adult females are out at sea, foraging, growing the ...

The Marine Mammal Protection Act, enacted in 1972, has prevented the extinction of marine mammal species in U.S. waters. Proposed legislation threatens to weaken the act by restricting scientific data ...

Submitted by the Orca Network. With big, dark eyes and a furry, round head, a harbor seal pup is undoubtedly one of the cutest things you might encounter on the beach this summer. But if you do happen ...

Scientists collaborate with elephant seals to study their life cycles and ocean health. Along the rugged Northern California coast, Año Nuevo State Park harbors a thriving colony of elephant seals, ...

Hefty bulls take over the beach during the summer months, to molt their skin. The younger bulls stage battles, but mostly bulls rest and let their skin peel off. Unusual scars attest to the dangers of ...