Canary in the coal mine – monarch butterfly

The poster child for conservation is at risk of being at risk. Environmental groups across the country are stepping up efforts to increase the population of monarch butterflies as the insects face being designated as a species at risk.

“They’re currently an international species of concern. The monarch butterfly is like the canary in the coal mine of climate change and conservation,” said Maxim Larrivée, the University of Ottawa professor who developed, an online database of butterfly observation.
The Star, Canada, 22 Jul 2012