I’ve always wanted a crow friend, and this summer I’ve been making an effort. Each morning I put a handful of dog kibble on a paper plate and set it out on our back-patio table. I also ball up a piece of aluminum foil to add to the plate for decoration, although whether crows and other corvids (birds of the family Corvidae) actually like shiny objects, a common belief, remains to be proven. Then, I do my best rendition of a crow call (something between a caw and a honk, to my ear) to aler...