We love the Police.
The band that is.
Canary in a Coalmine is one of their vastly underrated songs from the Zenyatta Mondatta album. Which reminds us of a few interesting things about canaries...
On the importance of sentinel species
For those of you who might not be as familiar with the concept of sentinel species, here are a couple sources that you might want to check out.
We believe it to be pretty self-explanatory.