Bird flu has been on the rise in Washington state and one sanctuary was hit hard: 20 big cats – more than half of the facility’s population – died over the course of weeks.

An animal sanctuary in Washington is under quarantine after 20 big cats died amid a bird flu outbreak, the Wild Felid Advocacy Center announced.

A wildlife sanctuary in Washington state is under quarantine after 20 big cats died due to H5N1 bird flu infections.