A toxin released by one of the largest algae blooms on record off the Southern California coast was linked to the deaths of a humpback whale in Huntington Beach and a minke whale in Long Beach.

A pod of more than 60 orcas hunted and killed an estimated 18-metre-long pygmy blue whale off Western Australia's south coast ...

Malnutrition, killer whale predation, entanglement and vessel strikes were documented as the main causes of death, researchers said. In 2023, gray whale numbers began to rebound to as many as ...