Inside Alberta caves, biologists are fighting a fungus that is threatening bat colonies

Parks Canada crews are at work in Alberta's bat caves, spreading a blend of bacteria to try to save the flying night mammals from a deadly, and accelerating, fungal infection.

Parks Canada crews are at work in Alberta's bat caves, spreading a blend of bacteria to try to save the flying night mammals from a deadly, and accelerating, fungal infection.

Parks Canada crews are at work in Alberta's bat caves, spreading a blend of bacteria to try to save the flying night mammals from a deadly, and accelerating, fungal infection.