The Biology Butterfly Show is an annual event that runs daily from Saturday,October 3, 2015, to Monday, October 12, 2015, in the greenhouses of Carleton University’s biology department. The 10-day show features 1,300 butterflies that arrive in five separate shipments, representing 41 different species worldwide. More than 1,000 area students and 10,000 visitors total came into the steamy greenhouse doors at the west side of Carleton’s’ campus for last years Butterfly show.