Calgary Zoo's burrowing owl conservation program sees major milestone achieved

The Wilder Institute/Calgary Zoo is celebrating the return of a burrowing owl who left to winter in Mexico. Officials announced on Tuesday that the owl, called "Green48" because of the green-coloured leg bands used to track her, had returned to nest at the zoo.   The zoo says it's the first time since the launch of the facility's conservation program back in 2016 that a burrowing owl has migrated to Mexico, overwintered and returned to nest in Alberta. "We brought her into the head-sta