CANADA | Monday, 14 January 2013 | Views [285] | View Larger Image
The deep tracks of a large adult grizzly beside a rainforest stream are evidence of a bear searching for salmon. Grizzlies get as much as 65 percent of their yearly calories from these oily fish. Nobody knows exactly what would happen if an oil spill happened here, but most people suspect that salmon populations would collapse, leaving the great bears and the entire ecosystem, in jeopardy.