Cats

What’s Killing Sea Otters? Scientists Pinpoint Parasite Strain

August 22, 2019
Genetic Link Found Between Deadly Pathogen and Wild and Feral Cats on Land

Many wild southern sea otters in California are infected with the parasite Toxoplasma gondii, yet the infection is fatal for only a fraction of sea otters, which has long puzzled the scientific community. A study from the University of California, Davis, identifies the parasite’s specific strains that are killing southern sea otters, tracing them back to a bobcat and feral domestic cats from nearby watersheds.