Common Indian Crow butterfly (Euploea core)

I'm not 100% sure, but I think this is a Common Indian Crow butterfly (Euploea core). Photographed in the ENMAX Conservatory at the Calgary Zoo on 1 September 2011.

Yesterday and today have been more like spring - sunshine, blue sky and a few degrees warmer. The snow has been melting quite nicely, which feels so good, after six months of snow and ice on the ground. Maybe spring is here to stay?? This morning, the temperature is -2C (windchill -6C), but it's supposed to get up to 10C this afternoon. Monday and Tuesday are forecast to get up to 14C, followed by slightly cooler days.