Follow wildlife activist Tyson Mayr, his team, and the incredible work of one koala detection dog as they rescue and rehabilitate injured koalas from burnt-out bushland across Australia.

Unlike other koala detection dogs who sniff out koala scat, Bear is able to smell and lead rescuers to live koalas Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013.