A crow and some nesting materials 

I caught this crow on video some time ago near the science buildings on the Portland State University campus. It's carrying materials that I assume may be for nest building, and in the background, if you listen closely, you can hear another crow calling. It's not much, but I'm constantly fascinated with what crows do because of all we've learned about their intelligence and social behavior. Like us, they use tools, solve problems and teach their young what they know. That also may seem like not much, but it represents some very complex behavior.