On winter mornings in Canada, we sprinkled seeds out for the birds. Pine grosbeaks, robins, squirrels and jays all came to feast – munching and calling and hopping around in the snow. Then a fox slowly walked into view. The birds flew off, the squirrel zoomed up the tree, squeaking loudly. I sat behind the glass door, a few meters away, kept my breath steady and my movement slow as I raised the camera. The fox locked eyes with me for a moment, then started nibbling sunflower seeds.